464492025440 has 96 divisors (see below), whose sum is σ = 1183836396960. Its totient is φ = 171568144384.

The previous prime is 464492025379. The next prime is 464492025449. The reversal of 464492025440 is 44520294464.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 464492025391 and 464492025400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (464492025449) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1466870 + ... + 1755189.

It is an arithmetic number, because the mean of its divisors is an integer number (12331629135).

Almost surely, 2^464492025440 is an apocalyptic number.

464492025440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

464492025440 is an abundant number, since it is smaller than the sum of its proper divisors (719344371520).

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

464492025440 is a wasteful number, since it uses less digits than its factorization.

464492025440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3222144 (or 3222136 counting only the distinct ones).

The product of its (nonzero) digits is 1105920, while the sum is 44.

The spelling of 464492025440 in words is "four hundred sixty-four billion, four hundred ninety-two million, twenty-five thousand, four hundred forty".