13440497924 has 36 divisors (see below), whose sum is σ = 27385004304. Its totient is φ = 5755162896.

The previous prime is 13440497897. The next prime is 13440497929. The reversal of 13440497924 is 42979404431.

It is not an unprimeable number, because it can be changed into a prime (13440497929) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 198467 + ... + 257429.

It is an arithmetic number, because the mean of its divisors is an integer number (760694564).

Almost surely, 2^13440497924 is an apocalyptic number.

13440497924 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

13440497924 is an abundant number, since it is smaller than the sum of its proper divisors (13944506380).

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

13440497924 is a wasteful number, since it uses less digits than its factorization.

13440497924 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60144 (or 60135 counting only the distinct ones).

The product of its (nonzero) digits is 870912, while the sum is 47.

The spelling of 13440497924 in words is "thirteen billion, four hundred forty million, four hundred ninety-seven thousand, nine hundred twenty-four".