79244081280 has 1536 divisors, whose sum is σ = 362666304000. Its totient is φ = 15479341056.

The previous prime is 79244081233. The next prime is 79244081303. The reversal of 79244081280 is 8218044297.

It is a super-2 number, since 2×79244081280² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 727009866 + ... + 727009974.

It is an arithmetic number, because the mean of its divisors is an integer number (236110875).

Almost surely, 2^79244081280 is an apocalyptic number.

79244081280 is a gapful number since it is divisible by the number (70) 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 79244081280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (181333152000).

79244081280 is an abundant number, since it is smaller than the sum of its proper divisors (283422222720).

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

79244081280 is a wasteful number, since it uses less digits than its factorization.

79244081280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 246 (or 231 counting only the distinct ones).

The product of its (nonzero) digits is 258048, while the sum is 45.

The spelling of 79244081280 in words is "seventy-nine billion, two hundred forty-four million, eighty-one thousand, two hundred eighty".