451042450 has 24 divisors (see below), whose sum is σ = 846789552. Its totient is φ = 178728720.

The previous prime is 451042441. The next prime is 451042457. The reversal of 451042450 is 54240154.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is not an unprimeable number, because it can be changed into a prime (451042457) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 36804 + ... + 47503.

It is an arithmetic number, because the mean of its divisors is an integer number (35282898).

Almost surely, 2^451042450 is an apocalyptic number.

451042450 is a deficient number, since it is larger than the sum of its proper divisors (395747102).

451042450 is a wasteful number, since it uses less digits than its factorization.

451042450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84426 (or 84421 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 25.

The square root of 451042450 is about 21237.7600042942. The cubic root of 451042450 is about 766.9007088444.

The spelling of 451042450 in words is "four hundred fifty-one million, forty-two thousand, four hundred fifty".