2051370256 has 40 divisors (see below), whose sum is σ = 4328394840. Its totient is φ = 936139776.

The previous prime is 2051370239. The next prime is 2051370257. The reversal of 2051370256 is 6520731502.

It can be written as a sum of positive squares in 4 ways, for example, as 10137856 + 2041232400 = 3184^2 + 45180^2 .

It is not an unprimeable number, because it can be changed into a prime (2051370257) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36895 + ... + 73918.

It is an arithmetic number, because the mean of its divisors is an integer number (108209871).

Almost surely, 2^2051370256 is an apocalyptic number.

2051370256 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

2051370256 is an abundant number, since it is smaller than the sum of its proper divisors (2277024584).

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

2051370256 is a wasteful number, since it uses less digits than its factorization.

2051370256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110923 (or 110917 counting only the distinct ones).

The product of its (nonzero) digits is 12600, while the sum is 31.

The square root of 2051370256 is about 45292.0551090365. The cubic root of 2051370256 is about 1270.6170676054.

The spelling of 2051370256 in words is "two billion, fifty-one million, three hundred seventy thousand, two hundred fifty-six".