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2246990185440 = 2533572111374231
BaseRepresentation
bin100000101100101011000…
…011010100001111100000
321221210212121110021201000
4200230223003110033200
5243303313441413230
64440130353512000
7321224340304200
oct40545303241740
97853777407630
102246990185440
11796a41420890
12303594572600
13133b75bb36b0
147aa7d662400
153d6b1964b60
hex20b2b0d43e0

2246990185440 has 1152 divisors, whose sum is σ = 10747985955840. Its totient is φ = 430985318400.

The previous prime is 2246990185409. The next prime is 2246990185457. The reversal of 2246990185440 is 445810996422.

2246990185440 is a `hidden beast` number, since 2 + 2 + 4 + 6 + 9 + 90 + 1 + 8 + 544 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 30233125 + ... + 30307355.

It is an arithmetic number, because the mean of its divisors is an integer number (9329848920).

Almost surely, 22246990185440 is an apocalyptic number.

2246990185440 is a gapful number since it is divisible by the number (20) 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 2246990185440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5373992977920).

2246990185440 is an abundant number, since it is smaller than the sum of its proper divisors (8500995770400).

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

2246990185440 is a wasteful number, since it uses less digits than its factorization.

2246990185440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74293 (or 74272 counting only the distinct ones).

The product of its (nonzero) digits is 4976640, while the sum is 54.

The spelling of 2246990185440 in words is "two trillion, two hundred forty-six billion, nine hundred ninety million, one hundred eighty-five thousand, four hundred forty".