240083990 has 16 divisors (see below), whose sum is σ = 441346752. Its totient is φ = 93990144.

The previous prime is 240083957. The next prime is 240083999. The reversal of 240083990 is 99380042.

240083990 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 240083990.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (240083999) 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, 254939 + ... + 255878.

It is an arithmetic number, because the mean of its divisors is an integer number (27584172).

Almost surely, 2^240083990 is an apocalyptic number.

240083990 is a deficient number, since it is larger than the sum of its proper divisors (201262762).

240083990 is a wasteful number, since it uses less digits than its factorization.

240083990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 510871.

The product of its (nonzero) digits is 15552, while the sum is 35.

The square root of 240083990 is about 15494.6439133011. The cubic root of 240083990 is about 621.5189861965.

The spelling of 240083990 in words is "two hundred forty million, eighty-three thousand, nine hundred ninety".