451961496 has 96 divisors (see below), whose sum is σ = 1427556000. Its totient is φ = 129124800.

The previous prime is 451961483. The next prime is 451961501. The reversal of 451961496 is 694169154.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 15546 + ... + 33846.

It is an arithmetic number, because the mean of its divisors is an integer number (14870375).

Almost surely, 2^451961496 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 451961496, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (713778000).

451961496 is an abundant number, since it is smaller than the sum of its proper divisors (975594504).

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

451961496 is a wasteful number, since it uses less digits than its factorization.

451961496 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18334 (or 18313 counting only the distinct ones).

The product of its digits is 233280, while the sum is 45.

The square root of 451961496 is about 21259.3860682758. The cubic root of 451961496 is about 767.4212355023.

The spelling of 451961496 in words is "four hundred fifty-one million, nine hundred sixty-one thousand, four hundred ninety-six".