453647940 has 24 divisors (see below), whose sum is σ = 1270214400. Its totient is φ = 120972768.

The previous prime is 453647939. The next prime is 453647959. The reversal of 453647940 is 49746354.

It is a junction number, because it is equal to n+sod(n) for n = 453647892 and 453647901.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3780340 + ... + 3780459.

It is an arithmetic number, because the mean of its divisors is an integer number (52925600).

Almost surely, 2^453647940 is an apocalyptic number.

It is an amenable number.

453647940 is an abundant number, since it is smaller than the sum of its proper divisors (816566460).

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

453647940 is a wasteful number, since it uses less digits than its factorization.

453647940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7560811 (or 7560809 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 42.

The square root of 453647940 is about 21299.0126531724. The cubic root of 453647940 is about 768.3745663657.

The spelling of 453647940 in words is "four hundred fifty-three million, six hundred forty-seven thousand, nine hundred forty".