40402688987760 has 240 divisors, whose sum is σ = 140871282744192. Its totient is φ = 9566809781760.

The previous prime is 40402688987729. The next prime is 40402688987809. The reversal of 40402688987760 is 6778988620404.

It is a tau number, because it is divible by the number of its divisors (240).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 14928922 + ... + 17426361.

Almost surely, 2^{40402688987760} is an apocalyptic number.

40402688987760 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40402688987760 is an abundant number, since it is smaller than the sum of its proper divisors (100468593756432).

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

40402688987760 is a wasteful number, since it uses less digits than its factorization.

40402688987760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32355364 (or 32355347 counting only the distinct ones).

The product of its (nonzero) digits is 260112384, while the sum is 69.

The spelling of 40402688987760 in words is "forty trillion, four hundred two billion, six hundred eighty-eight million, nine hundred eighty-seven thousand, seven hundred sixty".