40855949120 has 84 divisors (see below), whose sum is σ = 113172064740. Its totient is φ = 14007748608.

The previous prime is 40855949107. The next prime is 40855949129. The reversal of 40855949120 is 2194955804.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 28943536384 + 11912412736 = 170128^2 + 109144^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40855949129) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1287125 + ... + 1318484.

It is an arithmetic number, because the mean of its divisors is an integer number (1347286485).

Almost surely, 2^40855949120 is an apocalyptic number.

40855949120 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40855949120 is an abundant number, since it is smaller than the sum of its proper divisors (72316115620).

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

40855949120 is a wasteful number, since it uses less digits than its factorization.

40855949120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2605640 (or 2605623 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 47.

The spelling of 40855949120 in words is "forty billion, eight hundred fifty-five million, nine hundred forty-nine thousand, one hundred twenty".