640052050190 has 32 divisors (see below), whose sum is σ = 1385977374720. Its totient is φ = 207896605344.

The previous prime is 640052050123. The next prime is 640052050201. The reversal of 640052050190 is 91050250046.

It is a happy number.

It is a super-2 number, since 2×640052050190² (a number of 24 digits) 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 15 ways as a sum of consecutive naturals, for example, 240619742 + ... + 240622401.

It is an arithmetic number, because the mean of its divisors is an integer number (43311792960).

Almost surely, 2^640052050190 is an apocalyptic number.

640052050190 is an abundant number, since it is smaller than the sum of its proper divisors (745925324530).

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

640052050190 is a wasteful number, since it uses less digits than its factorization.

640052050190 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 481242176.

The product of its (nonzero) digits is 10800, while the sum is 32.

The spelling of 640052050190 in words is "six hundred forty billion, fifty-two million, fifty thousand, one hundred ninety".