9941291852240 has 160 divisors (see below), whose sum is σ = 28397331025920. Its totient is φ = 3160347812352.

The previous prime is 9941291852161. The next prime is 9941291852243. The reversal of 9941291852240 is 422581921499.

It is a Harshad number since it is a multiple of its sum of digits (56).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9941291852243) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9439622 + ... + 10439781.

It is an arithmetic number, because the mean of its divisors is an integer number (177483318912).

Almost surely, 2^{9941291852240} is an apocalyptic number.

It is an amenable number.

9941291852240 is an abundant number, since it is smaller than the sum of its proper divisors (18456039173680).

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

9941291852240 is a wasteful number, since it uses less digits than its factorization.

9941291852240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19879489 (or 19879483 counting only the distinct ones).

The product of its (nonzero) digits is 3732480, while the sum is 56.

The spelling of 9941291852240 in words is "nine trillion, nine hundred forty-one billion, two hundred ninety-one million, eight hundred fifty-two thousand, two hundred forty".