40542055525 has 6 divisors (see below), whose sum is σ = 50272148882. Its totient is φ = 32433644400.

The previous prime is 40542055523. The next prime is 40542055529. The reversal of 40542055525 is 52555024504.

It can be written as a sum of positive squares in 3 ways, for example, as 4541546881 + 36000508644 = 67391^2 + 189738^2 .

It is not a de Polignac number, because 40542055525 - 2¹ = 40542055523 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40542055523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 810841086 + ... + 810841135.

Almost surely, 2^40542055525 is an apocalyptic number.

It is an amenable number.

40542055525 is a deficient number, since it is larger than the sum of its proper divisors (9730093357).

40542055525 is a wasteful number, since it uses less digits than its factorization.

40542055525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1621682231 (or 1621682226 counting only the distinct ones).

The product of its (nonzero) digits is 200000, while the sum is 37.

The spelling of 40542055525 in words is "forty billion, five hundred forty-two million, fifty-five thousand, five hundred twenty-five".