1979273441280 has 416 divisors, whose sum is σ = 6565284394560. Its totient is φ = 508517416960.

The previous prime is 1979273441273. The next prime is 1979273441291. The reversal of 1979273441280 is 821443729791.

It is a self number, because there is not a number n which added to its sum of digits gives 1979273441280.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1142107294 + ... + 1142109026.

Almost surely, 2^{1979273441280} is an apocalyptic number.

1979273441280 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 1979273441280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3282642197280).

1979273441280 is an abundant number, since it is smaller than the sum of its proper divisors (4586010953280).

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

1979273441280 is a wasteful number, since it uses less digits than its factorization.

1979273441280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2435 (or 2413 counting only the distinct ones).

The product of its (nonzero) digits is 6096384, while the sum is 57.

The spelling of 1979273441280 in words is "one trillion, nine hundred seventy-nine billion, two hundred seventy-three million, four hundred forty-one thousand, two hundred eighty".