190748414640 has 320 divisors, whose sum is σ = 680356454400. Its totient is φ = 43306524672.

The previous prime is 190748414627. The next prime is 190748414663. The reversal of 190748414640 is 46414847091.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a self number, because there is not a number n which added to its sum of digits gives 190748414640.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 235782556 + ... + 235783364.

It is an arithmetic number, because the mean of its divisors is an integer number (2126113920).

Almost surely, 2^190748414640 is an apocalyptic number.

190748414640 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 190748414640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (340178227200).

190748414640 is an abundant number, since it is smaller than the sum of its proper divisors (489608039760).

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

190748414640 is a wasteful number, since it uses less digits than its factorization.

190748414640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1604 (or 1598 counting only the distinct ones).

The product of its (nonzero) digits is 774144, while the sum is 48.

The spelling of 190748414640 in words is "one hundred ninety billion, seven hundred forty-eight million, four hundred fourteen thousand, six hundred forty".