451278996 has 48 divisors (see below), whose sum is σ = 1204694400. Its totient is φ = 128799360.

The previous prime is 451278983. The next prime is 451279033. The reversal of 451278996 is 699872154.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 96930 + ... + 101478.

It is an arithmetic number, because the mean of its divisors is an integer number (25097800).

Almost surely, 2^451278996 is an apocalyptic number.

It is an amenable number.

451278996 is an abundant number, since it is smaller than the sum of its proper divisors (753415404).

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

451278996 is a wasteful number, since it uses less digits than its factorization.

451278996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5744 (or 5742 counting only the distinct ones).

The product of its digits is 1088640, while the sum is 51.

The square root of 451278996 is about 21243.3282703064. The cubic root of 451278996 is about 767.0347506193.

The spelling of 451278996 in words is "four hundred fifty-one million, two hundred seventy-eight thousand, nine hundred ninety-six".