402464626 has 16 divisors (see below), whose sum is σ = 634552704. Its totient is φ = 191075104.

The previous prime is 402464617. The next prime is 402464627. The reversal of 402464626 is 626464204.

It is a junction number, because it is equal to n+sod(n) for n = 402464591 and 402464600.

It is not an unprimeable number, because it can be changed into a prime (402464627) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25630 + ... + 38233.

It is an arithmetic number, because the mean of its divisors is an integer number (39659544).

Almost surely, 2^402464626 is an apocalyptic number.

402464626 is a gapful number since it is divisible by the number (46) formed by its first and last digit.

402464626 is a deficient number, since it is larger than the sum of its proper divisors (232088078).

402464626 is a wasteful number, since it uses less digits than its factorization.

402464626 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64025.

The product of its (nonzero) digits is 55296, while the sum is 34.

The square root of 402464626 is about 20061.5210290745. The cubic root of 402464626 is about 738.3164955415.

The spelling of 402464626 in words is "four hundred two million, four hundred sixty-four thousand, six hundred twenty-six".