402886045 has 16 divisors (see below), whose sum is σ = 489265920. Its totient is φ = 318455424.

The previous prime is 402886039. The next prime is 402886061. The reversal of 402886045 is 540688204.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-402886045 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 402885995 and 402886013.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 416152 + ... + 417118.

It is an arithmetic number, because the mean of its divisors is an integer number (30579120).

Almost surely, 2^402886045 is an apocalyptic number.

It is an amenable number.

402886045 is a deficient number, since it is larger than the sum of its proper divisors (86379875).

402886045 is a wasteful number, since it uses less digits than its factorization.

402886045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1884.

The product of its (nonzero) digits is 61440, while the sum is 37.

The square root of 402886045 is about 20072.0214477765. The cubic root of 402886045 is about 738.5741016716.

The spelling of 402886045 in words is "four hundred two million, eight hundred eighty-six thousand, forty-five".