465371980 has 24 divisors (see below), whose sum is σ = 977975712. Its totient is φ = 186016512.

The previous prime is 465371947. The next prime is 465371983. The reversal of 465371980 is 89173564.

It is not an unprimeable number, because it can be changed into a prime (465371983) 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, 23569 + ... + 38551.

It is an arithmetic number, because the mean of its divisors is an integer number (40748988).

Almost surely, 2^465371980 is an apocalyptic number.

It is an amenable number.

465371980 is an abundant number, since it is smaller than the sum of its proper divisors (512603732).

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

465371980 is a wasteful number, since it uses less digits than its factorization.

465371980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16545 (or 16543 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 43.

The square root of 465371980 is about 21572.4820083365. The cubic root of 465371980 is about 774.9376182879.

It can be divided in two parts, 465 and 371980, that multiplied together give a triangular number (172970700 = T₁₈₅₉₉).

The spelling of 465371980 in words is "four hundred sixty-five million, three hundred seventy-one thousand, nine hundred eighty".