465045871966440 has 64 divisors (see below), whose sum is σ = 1418784016190400. Its totient is φ = 121910330276352.

The previous prime is 465045871966439. The next prime is 465045871966519. The reversal of 465045871966440 is 44669178540564.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32842215517 + ... + 32842229676.

It is an arithmetic number, because the mean of its divisors is an integer number (22168500252975).

Almost surely, 2^{465045871966440} is an apocalyptic number.

465045871966440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

465045871966440 is an abundant number, since it is smaller than the sum of its proper divisors (953738144223960).

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

465045871966440 is a wasteful number, since it uses less digits than its factorization.

465045871966440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65684445266 (or 65684445262 counting only the distinct ones).

The product of its (nonzero) digits is 696729600, while the sum is 69.

The spelling of 465045871966440 in words is "four hundred sixty-five trillion, forty-five billion, eight hundred seventy-one million, nine hundred sixty-six thousand, four hundred forty".