190439480 has 192 divisors, whose sum is σ = 555763680. Its totient is φ = 58544640.

The previous prime is 190439477. The next prime is 190439503. The reversal of 190439480 is 84934091.

190439480 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a nialpdrome in base 11.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2608724 + ... + 2608796.

Almost surely, 2^190439480 is an apocalyptic number.

190439480 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 190439480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (277881840).

190439480 is an abundant number, since it is smaller than the sum of its proper divisors (365324200).

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

190439480 is a wasteful number, since it uses less digits than its factorization.

190439480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131 (or 98 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 38.

The square root of 190439480 is about 13799.9811594074. The cubic root of 190439480 is about 575.3326166300.

The spelling of 190439480 in words is "one hundred ninety million, four hundred thirty-nine thousand, four hundred eighty".