40549987337 has 2 divisors, whose sum is σ = 40549987338. Its totient is φ = 40549987336.

The previous prime is 40549987327. The next prime is 40549987391. The reversal of 40549987337 is 73378994504.

40549987337 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 30239818816 + 10310168521 = 173896^2 + 101539^2 .

It is a cyclic number.

It is not a de Polignac number, because 40549987337 - 2²⁸ = 40281551881 is a prime.

It is not a weakly prime, because it can be changed into another prime (40549987327) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20274993668 + 20274993669.

It is an arithmetic number, because the mean of its divisors is an integer number (20274993669).

Almost surely, 2^40549987337 is an apocalyptic number.

It is an amenable number.

40549987337 is a deficient number, since it is larger than the sum of its proper divisors (1).

40549987337 is an equidigital number, since it uses as much as digits as its factorization.

40549987337 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 22861440, while the sum is 59.

The spelling of 40549987337 in words is "forty billion, five hundred forty-nine million, nine hundred eighty-seven thousand, three hundred thirty-seven".