190628880 has 80 divisors (see below), whose sum is σ = 636417600. Its totient is φ = 46923264.

The previous prime is 190628857. The next prime is 190628897. The reversal of 190628880 is 88826091.

It is a tau number, because it is divible by the number of its divisors (80).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27430 + ... + 33669.

It is an arithmetic number, because the mean of its divisors is an integer number (7955220).

Almost surely, 2^190628880 is an apocalyptic number.

190628880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

190628880 is an abundant number, since it is smaller than the sum of its proper divisors (445788720).

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

190628880 is a wasteful number, since it uses less digits than its factorization.

190628880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61128 (or 61122 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 42.

The square root of 190628880 is about 13806.8417822469. The cubic root of 190628880 is about 575.5232841903.

The spelling of 190628880 in words is "one hundred ninety million, six hundred twenty-eight thousand, eight hundred eighty".