2856390072 has 16 divisors (see below), whose sum is σ = 7140975240. Its totient is φ = 952130016.

The previous prime is 2856390037. The next prime is 2856390073. The reversal of 2856390072 is 2700936582.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2856390073) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 59508103 + ... + 59508150.

Almost surely, 2^2856390072 is an apocalyptic number.

It is an amenable number.

2856390072 is an abundant number, since it is smaller than the sum of its proper divisors (4284585168).

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

2856390072 is a wasteful number, since it uses less digits than its factorization.

2856390072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119016262 (or 119016258 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 42.

The square root of 2856390072 is about 53445.2062583727. The cubic root of 2856390072 is about 1418.8587789003.

The spelling of 2856390072 in words is "two billion, eight hundred fifty-six million, three hundred ninety thousand, seventy-two".