402642262046 has 16 divisors (see below), whose sum is σ = 624810341760. Its totient is φ = 194400570240.

The previous prime is 402642262013. The next prime is 402642262069. The reversal of 402642262046 is 640262246204.

It is a super-2 number, since 2×402642262046² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7076951 + ... + 7133618.

It is an arithmetic number, because the mean of its divisors is an integer number (39050646360).

Almost surely, 2^402642262046 is an apocalyptic number.

402642262046 is a deficient number, since it is larger than the sum of its proper divisors (222168079714).

402642262046 is a wasteful number, since it uses less digits than its factorization.

402642262046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14211059.

The product of its (nonzero) digits is 221184, while the sum is 38.

The spelling of 402642262046 in words is "four hundred two billion, six hundred forty-two million, two hundred sixty-two thousand, forty-six".