240225688631 has 2 divisors, whose sum is σ = 240225688632. Its totient is φ = 240225688630.

The previous prime is 240225688607. The next prime is 240225688691. The reversal of 240225688631 is 136886522042.

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-240225688631 is a prime.

It is a super-2 number, since 2×240225688631² (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 (240225688601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 120112844315 + 120112844316.

It is an arithmetic number, because the mean of its divisors is an integer number (120112844316).

Almost surely, 2^240225688631 is an apocalyptic number.

240225688631 is a deficient number, since it is larger than the sum of its proper divisors (1).

240225688631 is an equidigital number, since it uses as much as digits as its factorization.

240225688631 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1105920, while the sum is 47.

The spelling of 240225688631 in words is "two hundred forty billion, two hundred twenty-five million, six hundred eighty-eight thousand, six hundred thirty-one".