451511752560 has 160 divisors (see below), whose sum is σ = 1546259604480. Its totient is φ = 108071808000.

The previous prime is 451511752451. The next prime is 451511752561. The reversal of 451511752560 is 65257115154.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (451511752561) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 873891 + ... + 1291010.

It is an arithmetic number, because the mean of its divisors is an integer number (9664122528).

Almost surely, 2^451511752560 is an apocalyptic number.

451511752560 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

451511752560 is an abundant number, since it is smaller than the sum of its proper divisors (1094747851920).

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

451511752560 is a wasteful number, since it uses less digits than its factorization.

451511752560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2165007 (or 2165001 counting only the distinct ones).

The product of its (nonzero) digits is 210000, while the sum is 42.

The spelling of 451511752560 in words is "four hundred fifty-one billion, five hundred eleven million, seven hundred fifty-two thousand, five hundred sixty".