11946390400926 has 40 divisors (see below), whose sum is σ = 26770834031040. Its totient is φ = 3981822147072.

The previous prime is 11946390400837. The next prime is 11946390400993. The reversal of 11946390400926 is 62900409364911.

It is a happy number.

11946390400926 is a `hidden beast` number, since 1 + 1 + 9 + 4 + 63 + 90 + 400 + 92 + 6 = 666.

It is a super-2 number, since 2×11946390400926² (a number of 27 digits) contains 22 as substring.

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 polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 745891 + ... + 4944606.

It is an arithmetic number, because the mean of its divisors is an integer number (669270850776).

Almost surely, 2^{11946390400926} is an apocalyptic number.

11946390400926 is an abundant number, since it is smaller than the sum of its proper divisors (14824443630114).

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

11946390400926 is a wasteful number, since it uses less digits than its factorization.

11946390400926 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5703470 (or 5703461 counting only the distinct ones).

The product of its (nonzero) digits is 2519424, while the sum is 54.

The spelling of 11946390400926 in words is "eleven trillion, nine hundred forty-six billion, three hundred ninety million, four hundred thousand, nine hundred twenty-six".