402040746567 has 28 divisors (see below), whose sum is σ = 634510939480. Its totient is φ = 253920462768.

The previous prime is 402040746563. The next prime is 402040746599. The reversal of 402040746567 is 765647040204.

402040746567 is a `hidden beast` number, since 4 + 0 + 2 + 0 + 40 + 7 + 46 + 567 = 666.

It is not a de Polignac number, because 402040746567 - 2² = 402040746563 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (402040746563) by changing a digit.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 14499208 + ... + 14526909.

Almost surely, 2^402040746567 is an apocalyptic number.

402040746567 is a deficient number, since it is larger than the sum of its proper divisors (232470192913).

402040746567 is an equidigital number, since it uses as much as digits as its factorization.

402040746567 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29026154 (or 29026139 counting only the distinct ones).

The product of its (nonzero) digits is 1128960, while the sum is 45.

The spelling of 402040746567 in words is "four hundred two billion, forty million, seven hundred forty-six thousand, five hundred sixty-seven".