190768040 has 16 divisors (see below), whose sum is σ = 429228180. Its totient is φ = 76307200.

The previous prime is 190768021. The next prime is 190768103. The reversal of 190768040 is 40867091.

It can be written as a sum of positive squares in 2 ways, for example, as 180257476 + 10510564 = 13426^2 + 3242^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2384561 + ... + 2384640.

Almost surely, 2^190768040 is an apocalyptic number.

190768040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

190768040 is an abundant number, since it is smaller than the sum of its proper divisors (238460140).

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

190768040 is a wasteful number, since it uses less digits than its factorization.

190768040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4769212 (or 4769208 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 35.

The square root of 190768040 is about 13811.8803933425. The cubic root of 190768040 is about 575.6632950489.

The spelling of 190768040 in words is "one hundred ninety million, seven hundred sixty-eight thousand, forty".