402854015 has 16 divisors (see below), whose sum is σ = 512332128. Its totient is φ = 303046656.

The previous prime is 402854003. The next prime is 402854047. The reversal of 402854015 is 510458204.

It is a cyclic number.

It is not a de Polignac number, because 402854015 - 2¹⁶ = 402788479 is a prime.

It is a congruent number.

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, 178484 + ... + 180726.

It is an arithmetic number, because the mean of its divisors is an integer number (32020758).

Almost surely, 2^402854015 is an apocalyptic number.

402854015 is a deficient number, since it is larger than the sum of its proper divisors (109478113).

402854015 is a wasteful number, since it uses less digits than its factorization.

402854015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4378.

The product of its (nonzero) digits is 6400, while the sum is 29.

The square root of 402854015 is about 20071.2235551299. The cubic root of 402854015 is about 738.5545285974.

The spelling of 402854015 in words is "four hundred two million, eight hundred fifty-four thousand, fifteen".