464453440 has 56 divisors (see below), whose sum is σ = 1206532512. Its totient is φ = 168890880.

The previous prime is 464453399. The next prime is 464453441. The reversal of 464453440 is 44354464.

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 464453396 and 464453405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (464453441) 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, 62454 + ... + 69493.

Almost surely, 2^464453440 is an apocalyptic number.

464453440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

464453440 is an abundant number, since it is smaller than the sum of its proper divisors (742079072).

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

464453440 is a wasteful number, since it uses less digits than its factorization.

464453440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131975 (or 131965 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 34.

The square root of 464453440 is about 21551.1818701435. The cubic root of 464453440 is about 774.4274314100.

The spelling of 464453440 in words is "four hundred sixty-four million, four hundred fifty-three thousand, four hundred forty".