1979385574080 has 112 divisors (see below), whose sum is σ = 6289421105664. Its totient is φ = 527426964480.

The previous prime is 1979385574037. The next prime is 1979385574091. The reversal of 1979385574080 is 804755839791.

It is a happy number.

It is a super-2 number, since 2×1979385574080² (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 15 ways as a sum of consecutive naturals, for example, 440809 + ... + 2037911.

Almost surely, 2^{1979385574080} is an apocalyptic number.

1979385574080 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 1979385574080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3144710552832).

1979385574080 is an abundant number, since it is smaller than the sum of its proper divisors (4310035531584).

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

1979385574080 is a wasteful number, since it uses less digits than its factorization.

1979385574080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1598414 (or 1598404 counting only the distinct ones).

The product of its (nonzero) digits is 76204800, while the sum is 66.

The spelling of 1979385574080 in words is "one trillion, nine hundred seventy-nine billion, three hundred eighty-five million, five hundred seventy-four thousand, eighty".