190250540 has 24 divisors (see below), whose sum is σ = 400144752. Its totient is φ = 75982400.

The previous prime is 190250539. The next prime is 190250563. The reversal of 190250540 is 45052091.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6515 + ... + 20565.

It is an arithmetic number, because the mean of its divisors is an integer number (16672698).

Almost surely, 2^190250540 is an apocalyptic number.

190250540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

190250540 is an abundant number, since it is smaller than the sum of its proper divisors (209894212).

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

190250540 is a wasteful number, since it uses less digits than its factorization.

190250540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14737 (or 14735 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 26.

The square root of 190250540 is about 13793.1337991045. The cubic root of 190250540 is about 575.1422861489.

The spelling of 190250540 in words is "one hundred ninety million, two hundred fifty thousand, five hundred forty".