402162254 has 16 divisors (see below), whose sum is σ = 655400592. Its totient is φ = 183969408.

The previous prime is 402162209. The next prime is 402162269. The reversal of 402162254 is 452261204.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65504 + ... + 71379.

It is an arithmetic number, because the mean of its divisors is an integer number (40962537).

Almost surely, 2^402162254 is an apocalyptic number.

402162254 is a deficient number, since it is larger than the sum of its proper divisors (253238338).

402162254 is a wasteful number, since it uses less digits than its factorization.

402162254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137011.

The product of its (nonzero) digits is 3840, while the sum is 26.

The square root of 402162254 is about 20053.9834945579. The cubic root of 402162254 is about 738.1315499565.

The spelling of 402162254 in words is "four hundred two million, one hundred sixty-two thousand, two hundred fifty-four".