240440024197 has 2 divisors, whose sum is σ = 240440024198. Its totient is φ = 240440024196.

The previous prime is 240440024179. The next prime is 240440024273. The reversal of 240440024197 is 791420044042.

It is a happy number.

Together with previous prime (240440024179) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 240414683041 + 25341156 = 490321^2 + 5034^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-240440024197 is a prime.

It is a super-2 number, since 2×240440024197² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (240440024497) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 120220012098 + 120220012099.

It is an arithmetic number, because the mean of its divisors is an integer number (120220012099).

Almost surely, 2^240440024197 is an apocalyptic number.

It is an amenable number.

240440024197 is a deficient number, since it is larger than the sum of its proper divisors (1).

240440024197 is an equidigital number, since it uses as much as digits as its factorization.

240440024197 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 64512, while the sum is 37.

The spelling of 240440024197 in words is "two hundred forty billion, four hundred forty million, twenty-four thousand, one hundred ninety-seven".