190025538 has 16 divisors (see below), whose sum is σ = 381182880. Its totient is φ = 63153216.

The previous prime is 190025531. The next prime is 190025581. The reversal of 190025538 is 835520091.

190025538 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×190025538² = 72219410184378888, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 190025499 and 190025508.

It is not an unprimeable number, because it can be changed into a prime (190025531) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44968 + ... + 49011.

It is an arithmetic number, because the mean of its divisors is an integer number (23823930).

Almost surely, 2^190025538 is an apocalyptic number.

190025538 is an abundant number, since it is smaller than the sum of its proper divisors (191157342).

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

190025538 is a wasteful number, since it uses less digits than its factorization.

190025538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94321.

The product of its (nonzero) digits is 10800, while the sum is 33.

The square root of 190025538 is about 13784.9750815879. The cubic root of 190025538 is about 574.9154638166.

The spelling of 190025538 in words is "one hundred ninety million, twenty-five thousand, five hundred thirty-eight".