460643440 has 40 divisors (see below), whose sum is σ = 1072373328. Its totient is φ = 184020480.

The previous prime is 460643431. The next prime is 460643461. The reversal of 460643440 is 44346064.

It is a tau number, because it is divible by the number of its divisors (40).

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, 67380 + ... + 73900.

Almost surely, 2^460643440 is an apocalyptic number.

460643440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

460643440 is an abundant number, since it is smaller than the sum of its proper divisors (611729888).

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

460643440 is a wasteful number, since it uses less digits than its factorization.

460643440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7417 (or 7411 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 31.

The square root of 460643440 is about 21462.6056200080. The cubic root of 460643440 is about 772.3040226497.

The spelling of 460643440 in words is "four hundred sixty million, six hundred forty-three thousand, four hundred forty".