2317240290 has 32 divisors (see below), whose sum is σ = 5564624256. Its totient is φ = 617569920.

The previous prime is 2317240279. The next prime is 2317240291. The reversal of 2317240290 is 920427132.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2317240291) 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, 31830 + ... + 75150.

It is an arithmetic number, because the mean of its divisors is an integer number (173894508).

Almost surely, 2^2317240290 is an apocalyptic number.

2317240290 is an abundant number, since it is smaller than the sum of its proper divisors (3247383966).

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

2317240290 is a wasteful number, since it uses less digits than its factorization.

2317240290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45114.

The product of its (nonzero) digits is 6048, while the sum is 30.

The square root of 2317240290 is about 48137.7221106275. The cubic root of 2317240290 is about 1323.2960729202.

The spelling of 2317240290 in words is "two billion, three hundred seventeen million, two hundred forty thousand, two hundred ninety".