2240425661 has 8 divisors (see below), whose sum is σ = 2277849600. Its totient is φ = 2203164880.

The previous prime is 2240425609. The next prime is 2240425697. The reversal of 2240425661 is 1665240422.

2240425661 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2240425661 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2240422661) 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, 12941 + ... + 68178.

It is an arithmetic number, because the mean of its divisors is an integer number (284731200).

Almost surely, 2^2240425661 is an apocalyptic number.

It is an amenable number.

2240425661 is a deficient number, since it is larger than the sum of its proper divisors (37423939).

2240425661 is an equidigital number, since it uses as much as digits as its factorization.

2240425661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81579.

The product of its (nonzero) digits is 23040, while the sum is 32.

The square root of 2240425661 is about 47333.1349162508. The cubic root of 2240425661 is about 1308.5093977165.

The spelling of 2240425661 in words is "two billion, two hundred forty million, four hundred twenty-five thousand, six hundred sixty-one".