451352040 has 64 divisors (see below), whose sum is σ = 1433712960. Its totient is φ = 113280000.

The previous prime is 451352009. The next prime is 451352047. The reversal of 451352040 is 40253154.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 451352040.

It is not an unprimeable number, because it can be changed into a prime (451352047) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 108586 + ... + 112665.

It is an arithmetic number, because the mean of its divisors is an integer number (22401765).

Almost surely, 2^451352040 is an apocalyptic number.

451352040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

451352040 is an abundant number, since it is smaller than the sum of its proper divisors (982360920).

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

451352040 is a wasteful number, since it uses less digits than its factorization.

451352040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 221282 (or 221278 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 451352040 is about 21245.0474228701. The cubic root of 451352040 is about 767.0761324579.

The spelling of 451352040 in words is "four hundred fifty-one million, three hundred fifty-two thousand, forty".