1979262220152 has 256 divisors, whose sum is σ = 5877198028800. Its totient is φ = 543545303040.

The previous prime is 1979262220127. The next prime is 1979262220171. The reversal of 1979262220152 is 2510222629791.

It is a super-2 number, since 2×1979262220152² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 843314643 + ... + 843316989.

It is an arithmetic number, because the mean of its divisors is an integer number (22957804800).

Almost surely, 2^{1979262220152} is an apocalyptic number.

1979262220152 is a gapful number since it is divisible by the number (12) 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 1979262220152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2938599014400).

1979262220152 is an abundant number, since it is smaller than the sum of its proper divisors (3897935808648).

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

1979262220152 is a wasteful number, since it uses less digits than its factorization.

1979262220152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3426 (or 3422 counting only the distinct ones).

The product of its (nonzero) digits is 544320, while the sum is 48.

The spelling of 1979262220152 in words is "one trillion, nine hundred seventy-nine billion, two hundred sixty-two million, two hundred twenty thousand, one hundred fifty-two".