190766240 has 48 divisors (see below), whose sum is σ = 515071872. Its totient is φ = 65405184.

The previous prime is 190766237. The next prime is 190766243. The reversal of 190766240 is 42667091.

It is an interprime number because it is at equal distance from previous prime (190766237) and next prime (190766243).

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a self number, because there is not a number n which added to its sum of digits gives 190766240.

It is not an unprimeable number, because it can be changed into a prime (190766243) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 84044 + ... + 86283.

It is an arithmetic number, because the mean of its divisors is an integer number (10730664).

Almost surely, 2^190766240 is an apocalyptic number.

190766240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

190766240 is an abundant number, since it is smaller than the sum of its proper divisors (324305632).

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

190766240 is a wasteful number, since it uses less digits than its factorization.

190766240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170349 (or 170341 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 35.

The square root of 190766240 is about 13811.8152318948. The cubic root of 190766240 is about 575.6614844780.

The spelling of 190766240 in words is "one hundred ninety million, seven hundred sixty-six thousand, two hundred forty".