190507422812 has 36 divisors (see below), whose sum is σ = 387915524640. Its totient is φ = 81625650624.

The previous prime is 190507422811. The next prime is 190507422817. The reversal of 190507422812 is 218224705091.

It is a self number, because there is not a number n which added to its sum of digits gives 190507422812.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (190507422811) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 678989 + ... + 917627.

It is an arithmetic number, because the mean of its divisors is an integer number (10775431240).

Almost surely, 2^190507422812 is an apocalyptic number.

It is an amenable number.

190507422812 is an abundant number, since it is smaller than the sum of its proper divisors (197408101828).

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

190507422812 is a wasteful number, since it uses less digits than its factorization.

190507422812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 242730 (or 242721 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 41.

The spelling of 190507422812 in words is "one hundred ninety billion, five hundred seven million, four hundred twenty-two thousand, eight hundred twelve".