190589457450 has 192 divisors, whose sum is σ = 564986695680. Its totient is φ = 41572016640.

The previous prime is 190589457449. The next prime is 190589457467. The reversal of 190589457450 is 54754985091.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 10592862 + ... + 10610838.

It is an arithmetic number, because the mean of its divisors is an integer number (2942639040).

Almost surely, 2^190589457450 is an apocalyptic number.

190589457450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 190589457450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (282493347840).

190589457450 is an abundant number, since it is smaller than the sum of its proper divisors (374397238230).

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

190589457450 is a wasteful number, since it uses less digits than its factorization.

190589457450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18461 (or 18456 counting only the distinct ones).

The product of its (nonzero) digits is 9072000, while the sum is 57.

The spelling of 190589457450 in words is "one hundred ninety billion, five hundred eighty-nine million, four hundred fifty-seven thousand, four hundred fifty".