2297040990 has 128 divisors (see below), whose sum is σ = 5930910720. Its totient is φ = 568243200.

The previous prime is 2297040989. The next prime is 2297040997. The reversal of 2297040990 is 990407922.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2297040997) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2532117 + ... + 2533023.

It is an arithmetic number, because the mean of its divisors is an integer number (46335240).

Almost surely, 2^2297040990 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2297040990, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2965455360).

2297040990 is an abundant number, since it is smaller than the sum of its proper divisors (3633869730).

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

2297040990 is a wasteful number, since it uses less digits than its factorization.

2297040990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1058.

The product of its (nonzero) digits is 81648, while the sum is 42.

The square root of 2297040990 is about 47927.4554926506. The cubic root of 2297040990 is about 1319.4398047623.

The spelling of 2297040990 in words is "two billion, two hundred ninety-seven million, forty thousand, nine hundred ninety".