2451307992 has 32 divisors (see below), whose sum is σ = 7003737600. Its totient is φ = 700373664.

The previous prime is 2451307931. The next prime is 2451307993. The reversal of 2451307992 is 2997031542.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2451307993) 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, 7295392 + ... + 7295727.

It is an arithmetic number, because the mean of its divisors is an integer number (218866800).

Almost surely, 2^2451307992 is an apocalyptic number.

It is an amenable number.

2451307992 is an abundant number, since it is smaller than the sum of its proper divisors (4552429608).

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

2451307992 is a wasteful number, since it uses less digits than its factorization.

2451307992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14591135 (or 14591131 counting only the distinct ones).

The product of its (nonzero) digits is 136080, while the sum is 42.

The square root of 2451307992 is about 49510.6856345173. The cubic root of 2451307992 is about 1348.3396124712.

The spelling of 2451307992 in words is "two billion, four hundred fifty-one million, three hundred seven thousand, nine hundred ninety-two".