451585074942 has 48 divisors (see below), whose sum is σ = 1047404047872. Its totient is φ = 145672599960.

The previous prime is 451585074907. The next prime is 451585074991. The reversal of 451585074942 is 249470585154.

451585074942 is a `hidden beast` number, since 4 + 5 + 1 + 58 + 507 + 49 + 42 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14971828 + ... + 15001959.

It is an arithmetic number, because the mean of its divisors is an integer number (21820917664).

Almost surely, 2^451585074942 is an apocalyptic number.

451585074942 is an abundant number, since it is smaller than the sum of its proper divisors (595818972930).

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

451585074942 is a wasteful number, since it uses less digits than its factorization.

451585074942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29973835 (or 29973823 counting only the distinct ones).

The product of its (nonzero) digits is 8064000, while the sum is 54.

The spelling of 451585074942 in words is "four hundred fifty-one billion, five hundred eighty-five million, seventy-four thousand, nine hundred forty-two".