14731385440 has 24 divisors (see below), whose sum is σ = 34802898480. Its totient is φ = 5892554112.

The previous prime is 14731385429. The next prime is 14731385453. The reversal of 14731385440 is 4458313741.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a junction number, because it is equal to n+sod(n) for n = 14731385393 and 14731385402.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46035420 + ... + 46035739.

It is an arithmetic number, because the mean of its divisors is an integer number (1450120770).

Almost surely, 2^14731385440 is an apocalyptic number.

14731385440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14731385440 is an abundant number, since it is smaller than the sum of its proper divisors (20071513040).

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

14731385440 is an equidigital number, since it uses as much as digits as its factorization.

14731385440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92071174 (or 92071166 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 40.

The spelling of 14731385440 in words is "fourteen billion, seven hundred thirty-one million, three hundred eighty-five thousand, four hundred forty".