451040454 has 16 divisors (see below), whose sum is σ = 1002312240. Its totient is φ = 150346800.

The previous prime is 451040437. The next prime is 451040479. The reversal of 451040454 is 454040154.

It is a super-2 number, since 2×451040454² = 406874982289052232, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a congruent number.

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, 4176247 + ... + 4176354.

It is an arithmetic number, because the mean of its divisors is an integer number (62644515).

Almost surely, 2^451040454 is an apocalyptic number.

451040454 is an abundant number, since it is smaller than the sum of its proper divisors (551271786).

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

451040454 is a wasteful number, since it uses less digits than its factorization.

451040454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8352612 (or 8352606 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 27.

The square root of 451040454 is about 21237.7130124691. The cubic root of 451040454 is about 766.8995775864.

The spelling of 451040454 in words is "four hundred fifty-one million, forty thousand, four hundred fifty-four".