465549972 has 12 divisors (see below), whose sum is σ = 1086283296. Its totient is φ = 155183320.

The previous prime is 465549941. The next prime is 465549977. The reversal of 465549972 is 279945564.

It is a tau number, because it is divible by the number of its divisors (12).

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (465549977) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19397904 + ... + 19397927.

It is an arithmetic number, because the mean of its divisors is an integer number (90523608).

Almost surely, 2^465549972 is an apocalyptic number.

It is an amenable number.

465549972 is an abundant number, since it is smaller than the sum of its proper divisors (620733324).

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

465549972 is a wasteful number, since it uses less digits than its factorization.

465549972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38795838 (or 38795836 counting only the distinct ones).

The product of its digits is 2721600, while the sum is 51.

The square root of 465549972 is about 21576.6070548638. The cubic root of 465549972 is about 775.0364031461.

The spelling of 465549972 in words is "four hundred sixty-five million, five hundred forty-nine thousand, nine hundred seventy-two".