4315440 has 40 divisors (see below), whose sum is σ = 13378608. Its totient is φ = 1150720.

The previous prime is 4315439. The next prime is 4315453. The reversal of 4315440 is 445134.

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

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, 8751 + ... + 9230.

Almost surely, 2^4315440 is an apocalyptic number.

4315440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4315440 is an abundant number, since it is smaller than the sum of its proper divisors (9063168).

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

4315440 is a wasteful number, since it uses less digits than its factorization.

4315440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17997 (or 17991 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 4315440 is about 2077.3637139413. The cubic root of 4315440 is about 162.8077324493.

The spelling of 4315440 in words is "four million, three hundred fifteen thousand, four hundred forty".