2240533991 has 2 divisors, whose sum is σ = 2240533992. Its totient is φ = 2240533990.

The previous prime is 2240533961. The next prime is 2240534041. The reversal of 2240533991 is 1993350422.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2240533991 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2240533951) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1120266995 + 1120266996.

It is an arithmetic number, because the mean of its divisors is an integer number (1120266996).

Almost surely, 2^2240533991 is an apocalyptic number.

2240533991 is a deficient number, since it is larger than the sum of its proper divisors (1).

2240533991 is an equidigital number, since it uses as much as digits as its factorization.

2240533991 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 58320, while the sum is 38.

The square root of 2240533991 is about 47334.2792382011. The cubic root of 2240533991 is about 1308.5304872414.

The spelling of 2240533991 in words is "two billion, two hundred forty million, five hundred thirty-three thousand, nine hundred ninety-one".