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340047444240 = 243257212497717
BaseRepresentation
bin1001111001011000110…
…10000011100100010000
31012111201111020222111200
410330230122003210100
521032404121203430
6420114324511200
733365456404500
oct4745432034420
91174644228450
10340047444240
11121238a0a959
1255aa124b500
13260b298318a
141265bb3da00
158ca3418460
hex4f2c683910

340047444240 has 360 divisors, whose sum is σ = 1329676335000. Its totient is φ = 77652836352.

The previous prime is 340047444211. The next prime is 340047444251. The reversal of 340047444240 is 42444740043.

340047444240 is a `hidden beast` number, since 3 + 400 + 4 + 7 + 4 + 4 + 4 + 240 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 24437192976 + 315610251264 = 156324^2 + 561792^2 .

It is a tau number, because it is divible by the number of its divisors (360).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 340047444195 and 340047444204.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 44060862 + ... + 44068578.

It is an arithmetic number, because the mean of its divisors is an integer number (3693545375).

Almost surely, 2340047444240 is an apocalyptic number.

340047444240 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 340047444240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (664838167500).

340047444240 is an abundant number, since it is smaller than the sum of its proper divisors (989628890760).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

340047444240 is a wasteful number, since it uses less digits than its factorization.

340047444240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8999 (or 8983 counting only the distinct ones).

The product of its (nonzero) digits is 172032, while the sum is 36.

The spelling of 340047444240 in words is "three hundred forty billion, forty-seven million, four hundred forty-four thousand, two hundred forty".