13999260744 has 96 divisors (see below), whose sum is σ = 44387965440. Its totient is φ = 3902227200.

The previous prime is 13999260739. The next prime is 13999260749. The reversal of 13999260744 is 44706299931.

It is an interprime number because it is at equal distance from previous prime (13999260739) and next prime (13999260749).

It is not an unprimeable number, because it can be changed into a prime (13999260749) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 318072 + ... + 359399.

It is an arithmetic number, because the mean of its divisors is an integer number (462374640).

Almost surely, 2^13999260744 is an apocalyptic number.

13999260744 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

13999260744 is an abundant number, since it is smaller than the sum of its proper divisors (30388704696).

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

13999260744 is a wasteful number, since it uses less digits than its factorization.

13999260744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 677531 (or 677524 counting only the distinct ones).

The product of its (nonzero) digits is 2939328, while the sum is 54.

The spelling of 13999260744 in words is "thirteen billion, nine hundred ninety-nine million, two hundred sixty thousand, seven hundred forty-four".