451890730288 has 80 divisors (see below), whose sum is σ = 967928066496. Its totient is φ = 203286364160.

The previous prime is 451890730253. The next prime is 451890730307. The reversal of 451890730288 is 882037098154.

It is a Smith number, since the sum of its digits (55) coincides with the sum of the digits of its prime factors.

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, 10820808 + ... + 10862488.

Almost surely, 2^451890730288 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 451890730288, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (483964033248).

451890730288 is an abundant number, since it is smaller than the sum of its proper divisors (516037336208).

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

451890730288 is a wasteful number, since it uses less digits than its factorization.

451890730288 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43462 (or 43456 counting only the distinct ones).

The product of its (nonzero) digits is 3870720, while the sum is 55.

The spelling of 451890730288 in words is "four hundred fifty-one billion, eight hundred ninety million, seven hundred thirty thousand, two hundred eighty-eight".