40231364249 has 2 divisors, whose sum is σ = 40231364250. Its totient is φ = 40231364248.

The previous prime is 40231364219. The next prime is 40231364269. The reversal of 40231364249 is 94246313204.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 27326404249 + 12904960000 = 165307^2 + 113600^2 .

It is a cyclic number.

It is not a de Polignac number, because 40231364249 - 2²⁸ = 39962928793 is a prime.

It is not a weakly prime, because it can be changed into another prime (40231364219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20115682124 + 20115682125.

It is an arithmetic number, because the mean of its divisors is an integer number (20115682125).

Almost surely, 2^40231364249 is an apocalyptic number.

It is an amenable number.

40231364249 is a deficient number, since it is larger than the sum of its proper divisors (1).

40231364249 is an equidigital number, since it uses as much as digits as its factorization.

40231364249 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 124416, while the sum is 38.

The spelling of 40231364249 in words is "forty billion, two hundred thirty-one million, three hundred sixty-four thousand, two hundred forty-nine".