40304031277 has 2 divisors, whose sum is σ = 40304031278. Its totient is φ = 40304031276.

The previous prime is 40304031211. The next prime is 40304031281. The reversal of 40304031277 is 77213040304.

40304031277 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., 39032324356 + 1271706921 = 197566^2 + 35661^2 .

It is a cyclic number.

It is not a de Polignac number, because 40304031277 - 2²³ = 40295642669 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40304031877) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20152015638 + 20152015639.

It is an arithmetic number, because the mean of its divisors is an integer number (20152015639).

Almost surely, 2^40304031277 is an apocalyptic number.

It is an amenable number.

40304031277 is a deficient number, since it is larger than the sum of its proper divisors (1).

40304031277 is an equidigital number, since it uses as much as digits as its factorization.

40304031277 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14112, while the sum is 31.

The spelling of 40304031277 in words is "forty billion, three hundred four million, thirty-one thousand, two hundred seventy-seven".