2251843039872 has 96 divisors (see below), whose sum is σ = 6480324183060. Its totient is φ = 750566707200.

The previous prime is 2251843039867. The next prime is 2251843039877. The reversal of 2251843039872 is 2789303481522.

2251843039872 is a `hidden beast` number, since 2 + 2 + 5 + 184 + 3 + 0 + 398 + 72 = 666.

It is an interprime number because it is at equal distance from previous prime (2251843039867) and next prime (2251843039877).

It can be written as a sum of positive squares in 2 ways, for example, as 1546202719296 + 705640320576 = 1243464^2 + 840024^2 .

It is a tau number, because it is divible by the number of its divisors (96).

It is not an unprimeable number, because it can be changed into a prime (2251843039877) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21283422 + ... + 21388962.

Almost surely, 2^{2251843039872} is an apocalyptic number.

It is an amenable number.

2251843039872 is an abundant number, since it is smaller than the sum of its proper divisors (4228481143188).

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

2251843039872 is a wasteful number, since it uses less digits than its factorization.

2251843039872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124082 (or 124067 counting only the distinct ones).

The product of its (nonzero) digits is 5806080, while the sum is 54.

The spelling of 2251843039872 in words is "two trillion, two hundred fifty-one billion, eight hundred forty-three million, thirty-nine thousand, eight hundred seventy-two".