190284880 has 40 divisors (see below), whose sum is σ = 442987272. Its totient is φ = 76015104.

The previous prime is 190284877. The next prime is 190284901. The reversal of 190284880 is 88482091.

It can be written as a sum of positive squares in 4 ways, for example, as 20034576 + 170250304 = 4476^2 + 13048^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×190284880² = 72416671113228800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 115422 + ... + 117058.

Almost surely, 2^190284880 is an apocalyptic number.

190284880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

190284880 is an abundant number, since it is smaller than the sum of its proper divisors (252702392).

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

190284880 is a wasteful number, since it uses less digits than its factorization.

190284880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3103 (or 3097 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 40.

The square root of 190284880 is about 13794.3785651982. The cubic root of 190284880 is about 575.1768882371.

The spelling of 190284880 in words is "one hundred ninety million, two hundred eighty-four thousand, eight hundred eighty".