42108783140730 has 64 divisors (see below), whose sum is σ = 101150957214720. Its totient is φ = 11219026051584.

The previous prime is 42108783140663. The next prime is 42108783140761. The reversal of 42108783140730 is 3704138780124.

It is a self number, because there is not a number n which added to its sum of digits gives 42108783140730.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 190609176 + ... + 190829964.

It is an arithmetic number, because the mean of its divisors is an integer number (1580483706480).

Almost surely, 2^{42108783140730} is an apocalyptic number.

42108783140730 is an abundant number, since it is smaller than the sum of its proper divisors (59042174073990).

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

42108783140730 is a wasteful number, since it uses less digits than its factorization.

42108783140730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 226423.

The product of its (nonzero) digits is 903168, while the sum is 48.

The spelling of 42108783140730 in words is "forty-two trillion, one hundred eight billion, seven hundred eighty-three million, one hundred forty thousand, seven hundred thirty".