451911995536 has 45 divisors (see below), whose sum is σ = 915428605651. Its totient is φ = 216102245216.

The previous prime is 451911995501. The next prime is 451911995551. The reversal of 451911995536 is 635599119154.

The square root of 451911995536 is 672244.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 61842795 + ... + 61850101.

Almost surely, 2^451911995536 is an apocalyptic number.

451911995536 is a gapful number since it is divisible by the number (46) formed by its first and last digit.

451911995536 is the 672244-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 451911995536

451911995536 is an abundant number, since it is smaller than the sum of its proper divisors (463516610115).

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

451911995536 is an frugal number, since it uses more digits than its factorization.

451911995536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14668 (or 7332 counting only the distinct ones).

The product of its digits is 6561000, while the sum is 58.

The spelling of 451911995536 in words is "four hundred fifty-one billion, nine hundred eleven million, nine hundred ninety-five thousand, five hundred thirty-six".