190258540 has 24 divisors (see below), whose sum is σ = 400064112. Its totient is φ = 76004160.

The previous prime is 190258511. The next prime is 190258561. The reversal of 190258540 is 45852091.

It is a junction number, because it is equal to n+sod(n) for n = 190258496 and 190258505.

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, 10627 + ... + 22213.

It is an arithmetic number, because the mean of its divisors is an integer number (16669338).

Almost surely, 2^190258540 is an apocalyptic number.

190258540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

190258540 is an abundant number, since it is smaller than the sum of its proper divisors (209805572).

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

190258540 is a wasteful number, since it uses less digits than its factorization.

190258540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12417 (or 12415 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 34.

The square root of 190258540 is about 13793.4237954179. The cubic root of 190258540 is about 575.1503475781.

The spelling of 190258540 in words is "one hundred ninety million, two hundred fifty-eight thousand, five hundred forty".