451953480 has 64 divisors (see below), whose sum is σ = 1479124800. Its totient is φ = 109564160.

The previous prime is 451953461. The next prime is 451953497. The reversal of 451953480 is 84359154.

It is a super-2 number, since 2×451953480² = 408523896168220800, which contains 22 as substring.

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, 169875 + ... + 172514.

It is an arithmetic number, because the mean of its divisors is an integer number (23111325).

Almost surely, 2^451953480 is an apocalyptic number.

451953480 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

451953480 is an abundant number, since it is smaller than the sum of its proper divisors (1027171320).

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

451953480 is a wasteful number, since it uses less digits than its factorization.

451953480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 342414 (or 342410 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 39.

The square root of 451953480 is about 21259.1975389477. The cubic root of 451953480 is about 767.4166984750.

The spelling of 451953480 in words is "four hundred fifty-one million, nine hundred fifty-three thousand, four hundred eighty".