40232244457 has 2 divisors, whose sum is σ = 40232244458. Its totient is φ = 40232244456.

The previous prime is 40232244401. The next prime is 40232244461. The reversal of 40232244457 is 75444223204.

40232244457 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., 40215890521 + 16353936 = 200539^2 + 4044^2 .

It is a cyclic number.

It is not a de Polignac number, because 40232244457 - 2¹¹ = 40232242409 is a prime.

It is not a weakly prime, because it can be changed into another prime (40232244467) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20116122228 + 20116122229.

It is an arithmetic number, because the mean of its divisors is an integer number (20116122229).

Almost surely, 2^40232244457 is an apocalyptic number.

It is an amenable number.

40232244457 is a deficient number, since it is larger than the sum of its proper divisors (1).

40232244457 is an equidigital number, since it uses as much as digits as its factorization.

40232244457 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 215040, while the sum is 37.

The spelling of 40232244457 in words is "forty billion, two hundred thirty-two million, two hundred forty-four thousand, four hundred fifty-seven".