79090163040 has 288 divisors, whose sum is σ = 305063781120. Its totient is φ = 17126194176.

The previous prime is 79090162979. The next prime is 79090163071. The reversal of 79090163040 is 4036109097.

It is a self number, because there is not a number n which added to its sum of digits gives 79090163040.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 358389 + ... + 535371.

It is an arithmetic number, because the mean of its divisors is an integer number (1059249240).

Almost surely, 2^79090163040 is an apocalyptic number.

79090163040 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 79090163040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (152531890560).

79090163040 is an abundant number, since it is smaller than the sum of its proper divisors (225973618080).

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

79090163040 is a wasteful number, since it uses less digits than its factorization.

79090163040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177034 (or 177019 counting only the distinct ones).

The product of its (nonzero) digits is 40824, while the sum is 39.

The spelling of 79090163040 in words is "seventy-nine billion, ninety million, one hundred sixty-three thousand, forty".