402255015 has 8 divisors (see below), whose sum is σ = 643608048. Its totient is φ = 214536000.

The previous prime is 402254959. The next prime is 402255031. The reversal of 402255015 is 510552204.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 402255015 - 2⁷ = 402254887 is a prime.

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, 13408486 + ... + 13408515.

It is an arithmetic number, because the mean of its divisors is an integer number (80451006).

Almost surely, 2^402255015 is an apocalyptic number.

402255015 is a deficient number, since it is larger than the sum of its proper divisors (241353033).

402255015 is a wasteful number, since it uses less digits than its factorization.

402255015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26817009.

The product of its (nonzero) digits is 2000, while the sum is 24.

The square root of 402255015 is about 20056.2961436054. The cubic root of 402255015 is about 738.1882970003.

The spelling of 402255015 in words is "four hundred two million, two hundred fifty-five thousand, fifteen".