453945660 has 48 divisors (see below), whose sum is σ = 1452627456. Its totient is φ = 103758912.

The previous prime is 453945659. The next prime is 453945673. The reversal of 453945660 is 66549354.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

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, 539992 + ... + 540831.

It is an arithmetic number, because the mean of its divisors is an integer number (30263072).

Almost surely, 2^453945660 is an apocalyptic number.

It is an amenable number.

453945660 is an abundant number, since it is smaller than the sum of its proper divisors (998681796).

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

453945660 is a wasteful number, since it uses less digits than its factorization.

453945660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1080842 (or 1080840 counting only the distinct ones).

The product of its (nonzero) digits is 388800, while the sum is 42.

The square root of 453945660 is about 21306.0005632216. Note that the first 3 decimals coincide. The cubic root of 453945660 is about 768.5426191885.

The spelling of 453945660 in words is "four hundred fifty-three million, nine hundred forty-five thousand, six hundred sixty".