2651255944 has 48 divisors (see below), whose sum is σ = 5308441380. Its totient is φ = 1241103360.

The previous prime is 2651255933. The next prime is 2651256007. The reversal of 2651255944 is 4495521562.

It can be written as a sum of positive squares in 6 ways, for example, as 2647102500 + 4153444 = 51450^2 + 2038^2 .

It is a super-2 number, since 2×2651255944² = 14058316161190662272, which contains 22 as substring.

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

It is a plaindrome in base 13.

It is a self number, because there is not a number n which added to its sum of digits gives 2651255944.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 452554 + ... + 458374.

Almost surely, 2^2651255944 is an apocalyptic number.

It is an amenable number.

2651255944 is an abundant number, since it is smaller than the sum of its proper divisors (2657185436).

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

2651255944 is a wasteful number, since it uses less digits than its factorization.

2651255944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6058 (or 6037 counting only the distinct ones).

The product of its digits is 432000, while the sum is 43.

The square root of 2651255944 is about 51490.3480664095. The cubic root of 2651255944 is about 1384.0460867075.

The spelling of 2651255944 in words is "two billion, six hundred fifty-one million, two hundred fifty-five thousand, nine hundred forty-four".