451091496 has 32 divisors (see below), whose sum is σ = 1130371200. Its totient is φ = 150011520.

The previous prime is 451091467. The next prime is 451091497. The reversal of 451091496 is 694190154.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (451091497) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11461 + ... + 32148.

It is an arithmetic number, because the mean of its divisors is an integer number (35324100).

Almost surely, 2^451091496 is an apocalyptic number.

It is an amenable number.

451091496 is an abundant number, since it is smaller than the sum of its proper divisors (679279704).

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

451091496 is a wasteful number, since it uses less digits than its factorization.

451091496 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44049 (or 44045 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 39.

The square root of 451091496 is about 21238.9146615358. The cubic root of 451091496 is about 766.9285052295.

The spelling of 451091496 in words is "four hundred fifty-one million, ninety-one thousand, four hundred ninety-six".