40654436602240 has 32 divisors (see below), whose sum is σ = 97189512503760. Its totient is φ = 16261774640640.

The previous prime is 40654436602187. The next prime is 40654436602313. The reversal of 40654436602240 is 4220663445604.

It is a tau number, because it is divible by the number of its divisors (32).

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 3 ways as a sum of consecutive naturals, for example, 31761277956 + ... + 31761279235.

Almost surely, 2^{40654436602240} is an apocalyptic number.

40654436602240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40654436602240 is an abundant number, since it is smaller than the sum of its proper divisors (56535075901520).

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

40654436602240 is an equidigital number, since it uses as much as digits as its factorization.

40654436602240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63522557210 (or 63522557198 counting only the distinct ones).

The product of its (nonzero) digits is 3317760, while the sum is 46.

The spelling of 40654436602240 in words is "forty trillion, six hundred fifty-four billion, four hundred thirty-six million, six hundred two thousand, two hundred forty".