240190992 has 120 divisors (see below), whose sum is σ = 702912600. Its totient is φ = 76468224.

The previous prime is 240190969. The next prime is 240190999. The reversal of 240190992 is 299091042.

It can be written as a sum of positive squares in 4 ways, for example, as 14470416 + 225720576 = 3804^2 + 15024^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (240190999) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 471634 + ... + 472142.

It is an arithmetic number, because the mean of its divisors is an integer number (5857605).

Almost surely, 2^240190992 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 240190992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (351456300).

240190992 is an abundant number, since it is smaller than the sum of its proper divisors (462721608).

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

240190992 is a wasteful number, since it uses less digits than its factorization.

240190992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 665 (or 656 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 36.

The square root of 240190992 is about 15498.0963992356. The cubic root of 240190992 is about 621.6113065230.

The spelling of 240190992 in words is "two hundred forty million, one hundred ninety thousand, nine hundred ninety-two".