40392692357 has 2 divisors, whose sum is σ = 40392692358. Its totient is φ = 40392692356.

The previous prime is 40392692341. The next prime is 40392692407. The reversal of 40392692357 is 75329629304.

40392692357 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an a-pointer prime, because the next prime (40392692407) can be obtained adding 40392692357 to its sum of digits (50).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 34489689796 + 5903002561 = 185714^2 + 76831^2 .

It is a cyclic number.

It is not a de Polignac number, because 40392692357 - 2⁴ = 40392692341 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40392692317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20196346178 + 20196346179.

It is an arithmetic number, because the mean of its divisors is an integer number (20196346179).

Almost surely, 2^40392692357 is an apocalyptic number.

It is an amenable number.

40392692357 is a deficient number, since it is larger than the sum of its proper divisors (1).

40392692357 is an equidigital number, since it uses as much as digits as its factorization.

40392692357 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2449440, while the sum is 50.

The spelling of 40392692357 in words is "forty billion, three hundred ninety-two million, six hundred ninety-two thousand, three hundred fifty-seven".