3402402556 has 48 divisors (see below), whose sum is σ = 6862496256. Its totient is φ = 1445857344.

The previous prime is 3402402547. The next prime is 3402402569. The reversal of 3402402556 is 6552042043.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2865795 + ... + 2866981.

It is an arithmetic number, because the mean of its divisors is an integer number (142968672).

Almost surely, 2^3402402556 is an apocalyptic number.

It is an amenable number.

3402402556 is an abundant number, since it is smaller than the sum of its proper divisors (3460093700).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3402402556 is a wasteful number, since it uses less digits than its factorization.

3402402556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1978 (or 1976 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 31.

The square root of 3402402556 is about 58330.1170580001. The cubic root of 3402402556 is about 1504.0487001122.

Adding to 3402402556 its reverse (6552042043), we get a palindrome (9954444599).

The spelling of 3402402556 in words is "three billion, four hundred two million, four hundred two thousand, five hundred fifty-six".