451443960 has 96 divisors (see below), whose sum is σ = 1600588080. Its totient is φ = 109440000.

The previous prime is 451443943. The next prime is 451443991. The reversal of 451443960 is 69344154.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 53041 + ... + 60960.

Almost surely, 2^451443960 is an apocalyptic number.

451443960 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

451443960 is an abundant number, since it is smaller than the sum of its proper divisors (1149144120).

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

451443960 is a wasteful number, since it uses less digits than its factorization.

451443960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114029 (or 114022 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

The square root of 451443960 is about 21247.2106404582. The cubic root of 451443960 is about 767.1282018301.

The spelling of 451443960 in words is "four hundred fifty-one million, four hundred forty-three thousand, nine hundred sixty".