455515040 has 24 divisors (see below), whose sum is σ = 1076154660. Its totient is φ = 182205952.

The previous prime is 455515031. The next prime is 455515057. The reversal of 455515040 is 40515554.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 423207184 + 32307856 = 20572^2 + 5684^2 .

It is a junction number, because it is equal to n+sod(n) for n = 455514994 and 455515012.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1423325 + ... + 1423644.

Almost surely, 2^455515040 is an apocalyptic number.

455515040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

455515040 is an abundant number, since it is smaller than the sum of its proper divisors (620639620).

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

455515040 is a wasteful number, since it uses less digits than its factorization.

455515040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2846984 (or 2846976 counting only the distinct ones).

The product of its (nonzero) digits is 10000, while the sum is 29.

The square root of 455515040 is about 21342.7983169968. The cubic root of 455515040 is about 769.4272684874.

The spelling of 455515040 in words is "four hundred fifty-five million, five hundred fifteen thousand, forty".