402464158458 has 32 divisors (see below), whose sum is σ = 807239333376. Its totient is φ = 133769899008.

The previous prime is 402464158427. The next prime is 402464158477. The reversal of 402464158458 is 854851464204.

It is a super-2 number, since 2×402464158458² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 402464158458.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4693666 + ... + 4778642.

It is an arithmetic number, because the mean of its divisors is an integer number (25226229168).

Almost surely, 2^402464158458 is an apocalyptic number.

402464158458 is an abundant number, since it is smaller than the sum of its proper divisors (404775174918).

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

402464158458 is a wasteful number, since it uses less digits than its factorization.

402464158458 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87238.

The product of its (nonzero) digits is 4915200, while the sum is 51.

The spelling of 402464158458 in words is "four hundred two billion, four hundred sixty-four million, one hundred fifty-eight thousand, four hundred fifty-eight".