190021526380 has 24 divisors (see below), whose sum is σ = 456051663648. Its totient is φ = 65150237568.

The previous prime is 190021526377. The next prime is 190021526389. The reversal of 190021526380 is 83625120091.

190021526380 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 2×190021526380² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (190021526389) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 678648169 + ... + 678648448.

It is an arithmetic number, because the mean of its divisors is an integer number (19002152652).

Almost surely, 2^190021526380 is an apocalyptic number.

190021526380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

190021526380 is an abundant number, since it is smaller than the sum of its proper divisors (266030137268).

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

190021526380 is a wasteful number, since it uses less digits than its factorization.

190021526380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1357296633 (or 1357296631 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 37.

The spelling of 190021526380 in words is "one hundred ninety billion, twenty-one million, five hundred twenty-six thousand, three hundred eighty".