190520626890 has 64 divisors (see below), whose sum is σ = 500714514432. Its totient is φ = 46011182400.

The previous prime is 190520626871. The next prime is 190520626897. The reversal of 190520626890 is 98626025091.

190520626890 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (190520626897) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1010806 + ... + 1184385.

It is an arithmetic number, because the mean of its divisors is an integer number (7823664288).

Almost surely, 2^190520626890 is an apocalyptic number.

190520626890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

190520626890 is an abundant number, since it is smaller than the sum of its proper divisors (310193887542).

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

190520626890 is a wasteful number, since it uses less digits than its factorization.

190520626890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2195475.

The product of its (nonzero) digits is 466560, while the sum is 48.

The spelling of 190520626890 in words is "one hundred ninety billion, five hundred twenty million, six hundred twenty-six thousand, eight hundred ninety".