240490637 has 2 divisors, whose sum is σ = 240490638. Its totient is φ = 240490636.

The previous prime is 240490597. The next prime is 240490651. The reversal of 240490637 is 736094042.

240490637 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 156475081 + 84015556 = 12509^2 + 9166^2 .

It is a cyclic number.

It is not a de Polignac number, because 240490637 - 2²⁰ = 239442061 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 240490597 and 240490606.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (240490337) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 120245318 + 120245319.

It is an arithmetic number, because the mean of its divisors is an integer number (120245319).

Almost surely, 2^240490637 is an apocalyptic number.

It is an amenable number.

240490637 is a deficient number, since it is larger than the sum of its proper divisors (1).

240490637 is an equidigital number, since it uses as much as digits as its factorization.

240490637 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36288, while the sum is 35.

The square root of 240490637 is about 15507.7605410968. The cubic root of 240490637 is about 621.8696916190.

The spelling of 240490637 in words is "two hundred forty million, four hundred ninety thousand, six hundred thirty-seven".