1338281031860 has 24 divisors (see below), whose sum is σ = 2932581044736. Its totient is φ = 512037959840.

The previous prime is 1338281031859. The next prime is 1338281031887. The reversal of 1338281031860 is 681301828331.

It is a happy number.

It is a super-2 number, since 2×1338281031860² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

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, 1454652836 + ... + 1454653755.

It is an arithmetic number, because the mean of its divisors is an integer number (122190876864).

Almost surely, 2^{1338281031860} is an apocalyptic number.

1338281031860 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1338281031860 is an abundant number, since it is smaller than the sum of its proper divisors (1594300012876).

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

1338281031860 is a wasteful number, since it uses less digits than its factorization.

1338281031860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2909306623 (or 2909306621 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 44.

The spelling of 1338281031860 in words is "one trillion, three hundred thirty-eight billion, two hundred eighty-one million, thirty-one thousand, eight hundred sixty".