104142079690 has 32 divisors (see below), whose sum is σ = 209252932416. Its totient is φ = 36989151360.

The previous prime is 104142079681. The next prime is 104142079709. The reversal of 104142079690 is 96970241401.

It is a super-2 number, since 2×104142079690² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (43).

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, 11003947 + ... + 11013406.

It is an arithmetic number, because the mean of its divisors is an integer number (6539154138).

Almost surely, 2^104142079690 is an apocalyptic number.

104142079690 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

104142079690 is an abundant number, since it is smaller than the sum of its proper divisors (105110852726).

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

104142079690 is a wasteful number, since it uses less digits than its factorization.

104142079690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22017414.

The product of its (nonzero) digits is 108864, while the sum is 43.

The spelling of 104142079690 in words is "one hundred four billion, one hundred forty-two million, seventy-nine thousand, six hundred ninety".