190226395900 has 72 divisors (see below), whose sum is σ = 416538433584. Its totient is φ = 75402969600.

The previous prime is 190226395889. The next prime is 190226395921. The reversal of 190226395900 is 9593622091.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4896954 + ... + 4935646.

It is an arithmetic number, because the mean of its divisors is an integer number (5785256022).

Almost surely, 2^190226395900 is an apocalyptic number.

190226395900 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 190226395900, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (208269216792).

190226395900 is an abundant number, since it is smaller than the sum of its proper divisors (226312037684).

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

190226395900 is a wasteful number, since it uses less digits than its factorization.

190226395900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39151 (or 39144 counting only the distinct ones).

The product of its (nonzero) digits is 262440, while the sum is 46.

The spelling of 190226395900 in words is "one hundred ninety billion, two hundred twenty-six million, three hundred ninety-five thousand, nine hundred".