40510025137 has 2 divisors, whose sum is σ = 40510025138. Its totient is φ = 40510025136.

The previous prime is 40510025131. The next prime is 40510025233. The reversal of 40510025137 is 73152001504.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 29685911616 + 10824113521 = 172296^2 + 104039^2 .

It is a cyclic number.

It is not a de Polignac number, because 40510025137 - 2¹⁹ = 40509500849 is a prime.

It is not a weakly prime, because it can be changed into another prime (40510025131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20255012568 + 20255012569.

It is an arithmetic number, because the mean of its divisors is an integer number (20255012569).

Almost surely, 2^40510025137 is an apocalyptic number.

It is an amenable number.

40510025137 is a deficient number, since it is larger than the sum of its proper divisors (1).

40510025137 is an equidigital number, since it uses as much as digits as its factorization.

40510025137 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4200, while the sum is 28.

The spelling of 40510025137 in words is "forty billion, five hundred ten million, twenty-five thousand, one hundred thirty-seven".