1400312460 has 24 divisors (see below), whose sum is σ = 3920875056. Its totient is φ = 373416640.

The previous prime is 1400312449. The next prime is 1400312509. The reversal of 1400312460 is 642130041.

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, 11669211 + ... + 11669330.

It is an arithmetic number, because the mean of its divisors is an integer number (163369794).

Almost surely, 2^1400312460 is an apocalyptic number.

1400312460 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1400312460 is an abundant number, since it is smaller than the sum of its proper divisors (2520562596).

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

1400312460 is a wasteful number, since it uses less digits than its factorization.

1400312460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23338553 (or 23338551 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 1400312460 is about 37420.7490571741. The cubic root of 1400312460 is about 1118.7721610208.

The spelling of 1400312460 in words is "one billion, four hundred million, three hundred twelve thousand, four hundred sixty".