40025494037 has 2 divisors, whose sum is σ = 40025494038. Its totient is φ = 40025494036.

The previous prime is 40025494027. The next prime is 40025494081. The reversal of 40025494037 is 73049452004.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 26605198321 + 13420295716 = 163111^2 + 115846^2 .

It is a cyclic number.

It is not a de Polignac number, because 40025494037 - 2⁶ = 40025493973 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40025494007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20012747018 + 20012747019.

It is an arithmetic number, because the mean of its divisors is an integer number (20012747019).

Almost surely, 2^40025494037 is an apocalyptic number.

It is an amenable number.

40025494037 is a deficient number, since it is larger than the sum of its proper divisors (1).

40025494037 is an equidigital number, since it uses as much as digits as its factorization.

40025494037 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 120960, while the sum is 38.

The spelling of 40025494037 in words is "forty billion, twenty-five million, four hundred ninety-four thousand, thirty-seven".