13374969221640 has 256 divisors, whose sum is σ = 43390982638080. Its totient is φ = 3278629601280.

The previous prime is 13374969221629. The next prime is 13374969221657. The reversal of 13374969221640 is 4612296947331.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2166685594 + ... + 2166691766.

It is an arithmetic number, because the mean of its divisors is an integer number (169496025930).

Almost surely, 2^{13374969221640} is an apocalyptic number.

13374969221640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13374969221640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21695491319040).

13374969221640 is an abundant number, since it is smaller than the sum of its proper divisors (30016013416440).

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

13374969221640 is a wasteful number, since it uses less digits than its factorization.

13374969221640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11744 (or 11740 counting only the distinct ones).

The product of its (nonzero) digits is 11757312, while the sum is 57.

The spelling of 13374969221640 in words is "thirteen trillion, three hundred seventy-four billion, nine hundred sixty-nine million, two hundred twenty-one thousand, six hundred forty".