451024491878 has 32 divisors (see below), whose sum is σ = 690790975488. Its totient is φ = 220805481600.

The previous prime is 451024491839. The next prime is 451024491887. The reversal of 451024491878 is 878194420154.

It is a congruent number.

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, 15636926 + ... + 15665742.

It is an arithmetic number, because the mean of its divisors is an integer number (21587217984).

Almost surely, 2^451024491878 is an apocalyptic number.

451024491878 is a deficient number, since it is larger than the sum of its proper divisors (239766483610).

451024491878 is a wasteful number, since it uses less digits than its factorization.

451024491878 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29588.

The product of its (nonzero) digits is 2580480, while the sum is 53.

The spelling of 451024491878 in words is "four hundred fifty-one billion, twenty-four million, four hundred ninety-one thousand, eight hundred seventy-eight".