40651364400 has 60 divisors (see below), whose sum is σ = 130219874472. Its totient is φ = 10840363520.

The previous prime is 40651364399. The next prime is 40651364419. The reversal of 40651364400 is 446315604.

It is a tau number, because it is divible by the number of its divisors (60).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16936869 + ... + 16939268.

Almost surely, 2^40651364400 is an apocalyptic number.

40651364400 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40651364400 is an abundant number, since it is smaller than the sum of its proper divisors (89568510072).

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

40651364400 is a wasteful number, since it uses less digits than its factorization.

40651364400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33876158 (or 33876147 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 33.

The spelling of 40651364400 in words is "forty billion, six hundred fifty-one million, three hundred sixty-four thousand, four hundred".