40381795525 has 12 divisors (see below), whose sum is σ = 50083820100. Its totient is φ = 32298730880.

The previous prime is 40381795507. The next prime is 40381795537. The reversal of 40381795525 is 52559718304.

40381795525 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 6 ways, for example, as 138627076 + 40243168449 = 11774^2 + 200607^2 .

It is not a de Polignac number, because 40381795525 - 2¹¹ = 40381793477 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 42970 + ... + 287419.

It is an arithmetic number, because the mean of its divisors is an integer number (4173651675).

Almost surely, 2^40381795525 is an apocalyptic number.

It is an amenable number.

40381795525 is a deficient number, since it is larger than the sum of its proper divisors (9702024575).

40381795525 is a wasteful number, since it uses less digits than its factorization.

40381795525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 335288 (or 335283 counting only the distinct ones).

The product of its (nonzero) digits is 1512000, while the sum is 49.

The spelling of 40381795525 in words is "forty billion, three hundred eighty-one million, seven hundred ninety-five thousand, five hundred twenty-five".