240199930 has 32 divisors (see below), whose sum is σ = 450178704. Its totient is φ = 92192256.

The previous prime is 240199877. The next prime is 240199931. The reversal of 240199930 is 39991042.

240199930 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 116834481 + 123365449 = 10809^2 + 11107^2 .

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a self number, because there is not a number n which added to its sum of digits gives 240199930.

It is not an unprimeable number, because it can be changed into a prime (240199931) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22564 + ... + 31456.

Almost surely, 2^240199930 is an apocalyptic number.

240199930 is a deficient number, since it is larger than the sum of its proper divisors (209978774).

240199930 is a wasteful number, since it uses less digits than its factorization.

240199930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9010.

The product of its (nonzero) digits is 17496, while the sum is 37.

The square root of 240199930 is about 15498.3847545478. The cubic root of 240199930 is about 621.6190169051.

The spelling of 240199930 in words is "two hundred forty million, one hundred ninety-nine thousand, nine hundred thirty".