40273237757 has 2 divisors, whose sum is σ = 40273237758. Its totient is φ = 40273237756.

The previous prime is 40273237733. The next prime is 40273237759. The reversal of 40273237757 is 75773237204.

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., 37609232761 + 2664004996 = 193931^2 + 51614^2 .

It is a cyclic number.

It is not a de Polignac number, because 40273237757 - 2¹⁰ = 40273236733 is a prime.

Together with 40273237759, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40273237759) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20136618878 + 20136618879.

It is an arithmetic number, because the mean of its divisors is an integer number (20136618879).

Almost surely, 2^40273237757 is an apocalyptic number.

It is an amenable number.

40273237757 is a deficient number, since it is larger than the sum of its proper divisors (1).

40273237757 is an equidigital number, since it uses as much as digits as its factorization.

40273237757 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1728720, while the sum is 47.

The spelling of 40273237757 in words is "forty billion, two hundred seventy-three million, two hundred thirty-seven thousand, seven hundred fifty-seven".