190039478380 has 24 divisors (see below), whose sum is σ = 399285259632. Its totient is φ = 75977247552.

The previous prime is 190039478357. The next prime is 190039478383. The reversal of 190039478380 is 83874930091.

190039478380 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 2×190039478380² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (190039478383) 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, 2368542 + ... + 2447461.

It is an arithmetic number, because the mean of its divisors is an integer number (16636885818).

Almost surely, 2^190039478380 is an apocalyptic number.

190039478380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

190039478380 is an abundant number, since it is smaller than the sum of its proper divisors (209245781252).

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

190039478380 is a wasteful number, since it uses less digits than its factorization.

190039478380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4817985 (or 4817983 counting only the distinct ones).

The product of its (nonzero) digits is 1306368, while the sum is 52.

The spelling of 190039478380 in words is "one hundred ninety billion, thirty-nine million, four hundred seventy-eight thousand, three hundred eighty".