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40023055548 = 2232723137131151
BaseRepresentation
bin100101010001100011…
…110101110010111100
310211022021102212202200
4211101203311302330
51123431400234143
630215240551500
72614544234100
oct452143656274
9124267385680
1040023055548
1115a78a76013
12790b782590
133a0aa956b8
141d1968d900
151093a3d1d3
hex9518f5cbc

40023055548 has 432 divisors, whose sum is σ = 126551513088. Its totient is φ = 10614240000.

The previous prime is 40023055547. The next prime is 40023055559. The reversal of 40023055548 is 84555032004.

40023055548 is a `hidden beast` number, since 40 + 0 + 23 + 0 + 55 + 548 = 666.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40023055547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 265053273 + ... + 265053423.

Almost surely, 240023055548 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40023055548, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (63275756544).

40023055548 is an abundant number, since it is smaller than the sum of its proper divisors (86528457540).

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

40023055548 is a wasteful number, since it uses less digits than its factorization.

40023055548 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 374 (or 362 counting only the distinct ones).

The product of its (nonzero) digits is 96000, while the sum is 36.

The spelling of 40023055548 in words is "forty billion, twenty-three million, fifty-five thousand, five hundred forty-eight".