190192892550 has 24 divisors (see below), whose sum is σ = 471678373896. Its totient is φ = 50718104640.

The previous prime is 190192892501. The next prime is 190192892557. The reversal of 190192892550 is 55298291091.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 190192892493 and 190192892502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (190192892557) 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, 633976159 + ... + 633976458.

It is an arithmetic number, because the mean of its divisors is an integer number (19653265579).

Almost surely, 2^190192892550 is an apocalyptic number.

190192892550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

190192892550 is an abundant number, since it is smaller than the sum of its proper divisors (281485481346).

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

190192892550 is a wasteful number, since it uses less digits than its factorization.

190192892550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1267952632 (or 1267952627 counting only the distinct ones).

The product of its (nonzero) digits is 583200, while the sum is 51.

The spelling of 190192892550 in words is "one hundred ninety billion, one hundred ninety-two million, eight hundred ninety-two thousand, five hundred fifty".