1402538856 has 32 divisors (see below), whose sum is σ = 3507403200. Its totient is φ = 467372160.

The previous prime is 1402538849. The next prime is 1402538881. The reversal of 1402538856 is 6588352041.

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, 100005 + ... + 113163.

It is an arithmetic number, because the mean of its divisors is an integer number (109606350).

Almost surely, 2^1402538856 is an apocalyptic number.

It is an amenable number.

1402538856 is an abundant number, since it is smaller than the sum of its proper divisors (2104864344).

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

1402538856 is a wasteful number, since it uses less digits than its factorization.

1402538856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17609 (or 17605 counting only the distinct ones).

The product of its (nonzero) digits is 230400, while the sum is 42.

The square root of 1402538856 is about 37450.4853907129. The cubic root of 1402538856 is about 1119.3647694612.

The spelling of 1402538856 in words is "one billion, four hundred two million, five hundred thirty-eight thousand, eight hundred fifty-six".