465561980 has 24 divisors (see below), whose sum is σ = 1052886912. Its totient is φ = 171899712.

The previous prime is 465561977. The next prime is 465562049. The reversal of 465561980 is 89165564.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 895052 + ... + 895571.

It is an arithmetic number, because the mean of its divisors is an integer number (43870288).

Almost surely, 2^465561980 is an apocalyptic number.

It is an amenable number.

465561980 is an abundant number, since it is smaller than the sum of its proper divisors (587324932).

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

465561980 is a wasteful number, since it uses less digits than its factorization.

465561980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1790645 (or 1790643 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 44.

The square root of 465561980 is about 21576.8853173946. The cubic root of 465561980 is about 775.0430666321.

The spelling of 465561980 in words is "four hundred sixty-five million, five hundred sixty-one thousand, nine hundred eighty".