41205405140 has 24 divisors (see below), whose sum is σ = 86609423880. Its totient is φ = 16467291008.

The previous prime is 41205405133. The next prime is 41205405161. The reversal of 41205405140 is 4150450214.

It can be written as a sum of positive squares in 4 ways, for example, as 5783906704 + 35421498436 = 76052^2 + 188206^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 906707 + ... + 951066.

It is an arithmetic number, because the mean of its divisors is an integer number (3608725995).

Almost surely, 2^41205405140 is an apocalyptic number.

It is an amenable number.

41205405140 is an abundant number, since it is smaller than the sum of its proper divisors (45404018740).

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

41205405140 is a wasteful number, since it uses less digits than its factorization.

41205405140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1858891 (or 1858889 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 26.

Adding to 41205405140 its reverse (4150450214), we get a palindrome (45355855354).

The spelling of 41205405140 in words is "forty-one billion, two hundred five million, four hundred five thousand, one hundred forty".