451880490 has 32 divisors (see below), whose sum is σ = 1119499776. Its totient is φ = 116614080.

The previous prime is 451880489. The next prime is 451880531. The reversal of 451880490 is 94088154.

It is a Curzon 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, 242017 + ... + 243876.

It is an arithmetic number, because the mean of its divisors is an integer number (34984368).

Almost surely, 2^451880490 is an apocalyptic number.

451880490 is an abundant number, since it is smaller than the sum of its proper divisors (667619286).

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

451880490 is a wasteful number, since it uses less digits than its factorization.

451880490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 485934.

The product of its (nonzero) digits is 46080, while the sum is 39.

The square root of 451880490 is about 21257.4808008851. The cubic root of 451880490 is about 767.3753839276.

The spelling of 451880490 in words is "four hundred fifty-one million, eight hundred eighty thousand, four hundred ninety".