453640481 has 16 divisors (see below), whose sum is σ = 532022400. Its totient is φ = 386633520.

The previous prime is 453640399. The next prime is 453640493. The reversal of 453640481 is 184046354.

It is a de Polignac number, because none of the positive numbers 2^k-453640481 is a prime.

It is a super-2 number, since 2×453640481² = 411579372003822722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (453643481) 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, 58430 + ... + 65736.

It is an arithmetic number, because the mean of its divisors is an integer number (33251400).

Almost surely, 2^453640481 is an apocalyptic number.

It is an amenable number.

453640481 is a deficient number, since it is larger than the sum of its proper divisors (78381919).

453640481 is an equidigital number, since it uses as much as digits as its factorization.

453640481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7509 (or 7495 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 35.

The square root of 453640481 is about 21298.8375504392. The cubic root of 453640481 is about 768.3703550697.

The spelling of 453640481 in words is "four hundred fifty-three million, six hundred forty thousand, four hundred eighty-one".