465990379946 has 96 divisors (see below), whose sum is σ = 914805239040. Its totient is φ = 176124098304.

The previous prime is 465990379937. The next prime is 465990379961. The reversal of 465990379946 is 649973099564.

It is a self number, because there is not a number n which added to its sum of digits gives 465990379946.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 25981910 + ... + 25999838.

It is an arithmetic number, because the mean of its divisors is an integer number (9529221240).

Almost surely, 2^465990379946 is an apocalyptic number.

465990379946 is a gapful number since it is divisible by the number (46) formed by its first and last digit.

465990379946 is a deficient number, since it is larger than the sum of its proper divisors (448814859094).

465990379946 is a wasteful number, since it uses less digits than its factorization.

465990379946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18868 (or 18861 counting only the distinct ones).

The product of its (nonzero) digits is 396809280, while the sum is 71.

The spelling of 465990379946 in words is "four hundred sixty-five billion, nine hundred ninety million, three hundred seventy-nine thousand, nine hundred forty-six".