190050640 has 60 divisors (see below), whose sum is σ = 478506204. Its totient is φ = 70167552.

The previous prime is 190050629. The next prime is 190050671. The reversal of 190050640 is 46050091.

190050640 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 6 ways, for example, as 91087936 + 98962704 = 9544^2 + 9948^2 .

It is a super-2 number, since 2×190050640² = 72238491528819200, 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 11 ways as a sum of consecutive naturals, for example, 6492 + ... + 20548.

Almost surely, 2^190050640 is an apocalyptic number.

190050640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 190050640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (239253102).

190050640 is an abundant number, since it is smaller than the sum of its proper divisors (288455564).

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

190050640 is a wasteful number, since it uses less digits than its factorization.

190050640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14096 (or 14077 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 25.

The square root of 190050640 is about 13785.8855355759. The cubic root of 190050640 is about 574.9407777695.

The spelling of 190050640 in words is "one hundred ninety million, fifty thousand, six hundred forty".