1239641676416 has 256 divisors, whose sum is σ = 3131919302400. Its totient is φ = 480354631680.

The previous prime is 1239641676397. The next prime is 1239641676431. The reversal of 1239641676416 is 6146761469321.

It is a super-2 number, since 2×1239641676416² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12158000 + ... + 12259536.

It is an arithmetic number, because the mean of its divisors is an integer number (12234059775).

Almost surely, 2^{1239641676416} is an apocalyptic number.

1239641676416 is a gapful number since it is divisible by the number (16) 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 1239641676416, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1565959651200).

1239641676416 is an abundant number, since it is smaller than the sum of its proper divisors (1892277625984).

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

1239641676416 is a wasteful number, since it uses less digits than its factorization.

1239641676416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101627 (or 101615 counting only the distinct ones).

The product of its digits is 7838208, while the sum is 56.

The spelling of 1239641676416 in words is "one trillion, two hundred thirty-nine billion, six hundred forty-one million, six hundred seventy-six thousand, four hundred sixteen".