190826131884 has 24 divisors (see below), whose sum is σ = 452560336368. Its totient is φ = 62565944640.

The previous prime is 190826131861. The next prime is 190826131897. The reversal of 190826131884 is 488131628091.

It is a super-2 number, since 2×190826131884² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 130344987 + ... + 130346450.

It is an arithmetic number, because the mean of its divisors is an integer number (18856680682).

Almost surely, 2^190826131884 is an apocalyptic number.

It is an amenable number.

190826131884 is an abundant number, since it is smaller than the sum of its proper divisors (261734204484).

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

190826131884 is a wasteful number, since it uses less digits than its factorization.

190826131884 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 260691505 (or 260691503 counting only the distinct ones).

The product of its (nonzero) digits is 663552, while the sum is 51.

The spelling of 190826131884 in words is "one hundred ninety billion, eight hundred twenty-six million, one hundred thirty-one thousand, eight hundred eighty-four".