40404037337 has 2 divisors, whose sum is σ = 40404037338.
Its totient is φ = 40404037336.
The previous prime is 40404037313. The next prime is 40404037381. The reversal of 40404037337 is 73373040404.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 29442784921 + 10961252416 = 171589^2 + 104696^2
It is a cyclic number.
It is not a de Polignac number, because 40404037337 - 28 = 40404037081 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 40404037297 and 40404037306.
It is not a weakly prime, because it can be changed into another prime (40404037307) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20202018668 + 20202018669.
It is an arithmetic number, because the mean of its divisors is an integer number (20202018669).
Almost surely, 240404037337 is an apocalyptic number.
It is an amenable number.
40404037337 is a deficient number, since it is larger than the sum of its proper divisors (1).
40404037337 is an equidigital number, since it uses as much as digits as its factorization.
40404037337 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 84672, while the sum is 35.
The spelling of 40404037337 in words is "forty billion, four hundred four million, thirty-seven thousand, three hundred thirty-seven".