190040568 has 32 divisors (see below), whose sum is σ = 476098560. Its totient is φ = 63213920.

The previous prime is 190040551. The next prime is 190040629. The reversal of 190040568 is 865040091.

It is a super-2 number, since 2×190040568² = 72230834971525248, which contains 22 as substring.

It is a congruent number.

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, 3721 + ... + 19847.

It is an arithmetic number, because the mean of its divisors is an integer number (14878080).

Almost surely, 2^190040568 is an apocalyptic number.

It is an amenable number.

190040568 is an abundant number, since it is smaller than the sum of its proper divisors (286057992).

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

190040568 is a wasteful number, since it uses less digits than its factorization.

190040568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16627 (or 16623 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 33.

The square root of 190040568 is about 13785.5202295742. The cubic root of 190040568 is about 574.9306209927.

The spelling of 190040568 in words is "one hundred ninety million, forty thousand, five hundred sixty-eight".