465311809000 has 32 divisors (see below), whose sum is σ = 1088829635400. Its totient is φ = 186124723200.

The previous prime is 465311808931. The next prime is 465311809063. The reversal of 465311809000 is 908113564.

It can be written as a sum of positive squares in 4 ways, for example, as 44326249444 + 420985559556 = 210538^2 + 648834^2 .

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, 232654905 + ... + 232656904.

Almost surely, 2^465311809000 is an apocalyptic number.

465311809000 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

465311809000 is an abundant number, since it is smaller than the sum of its proper divisors (623517826400).

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

465311809000 is a wasteful number, since it uses less digits than its factorization.

465311809000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 465311830 (or 465311816 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 37.

The spelling of 465311809000 in words is "four hundred sixty-five billion, three hundred eleven million, eight hundred nine thousand".