451029478924 has 24 divisors (see below), whose sum is σ = 819309935808. Its totient is φ = 217098243840.

The previous prime is 451029478919. The next prime is 451029478927. The reversal of 451029478924 is 429874920154.

It is not an unprimeable number, because it can be changed into a prime (451029478927) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19653229 + ... + 19676164.

It is an arithmetic number, because the mean of its divisors is an integer number (34137913992).

Almost surely, 2^451029478924 is an apocalyptic number.

It is an amenable number.

451029478924 is a deficient number, since it is larger than the sum of its proper divisors (368280456884).

451029478924 is a wasteful number, since it uses less digits than its factorization.

451029478924 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39329505 (or 39329503 counting only the distinct ones).

The product of its (nonzero) digits is 5806080, while the sum is 55.

The spelling of 451029478924 in words is "four hundred fifty-one billion, twenty-nine million, four hundred seventy-eight thousand, nine hundred twenty-four".