13374664240 has 40 divisors (see below), whose sum is σ = 35538395040. Its totient is φ = 4585598976.

The previous prime is 13374664223. The next prime is 13374664271. The reversal of 13374664240 is 4246647331.

It is a happy number.

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

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 = 13374664193 and 13374664202.

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, 11941105 + ... + 11942224.

It is an arithmetic number, because the mean of its divisors is an integer number (888459876).

Almost surely, 2^13374664240 is an apocalyptic number.

13374664240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13374664240 is an abundant number, since it is smaller than the sum of its proper divisors (22163730800).

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

13374664240 is a wasteful number, since it uses less digits than its factorization.

13374664240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23883349 (or 23883343 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 40.

The spelling of 13374664240 in words is "thirteen billion, three hundred seventy-four million, six hundred sixty-four thousand, two hundred forty".