41139525940 has 12 divisors (see below), whose sum is σ = 86393004516. Its totient is φ = 16455810368.

The previous prime is 41139525899. The next prime is 41139525991. The reversal of 41139525940 is 4952593114.

It can be written as a sum of positive squares in 2 ways, for example, as 31188266404 + 9951259536 = 176602^2 + 99756^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1028488129 + ... + 1028488168.

It is an arithmetic number, because the mean of its divisors is an integer number (7199417043).

Almost surely, 2^41139525940 is an apocalyptic number.

It is an amenable number.

41139525940 is an abundant number, since it is smaller than the sum of its proper divisors (45253478576).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

41139525940 is a wasteful number, since it uses less digits than its factorization.

41139525940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2056976306 (or 2056976304 counting only the distinct ones).

The product of its (nonzero) digits is 194400, while the sum is 43.

The spelling of 41139525940 in words is "forty-one billion, one hundred thirty-nine million, five hundred twenty-five thousand, nine hundred forty".