9854100657940 has 144 divisors (see below), whose sum is σ = 26871249835584. Its totient is φ = 2999979763200.

The previous prime is 9854100657931. The next prime is 9854100658013. The reversal of 9854100657940 is 497560014589.

9854100657940 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 10165641 + ... + 11092720.

It is an arithmetic number, because the mean of its divisors is an integer number (186605901636).

Almost surely, 2^{9854100657940} is an apocalyptic number.

It is an amenable number.

9854100657940 is an abundant number, since it is smaller than the sum of its proper divisors (17017149177644).

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

9854100657940 is a wasteful number, since it uses less digits than its factorization.

9854100657940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21258438 (or 21258429 counting only the distinct ones).

The product of its (nonzero) digits is 10886400, while the sum is 58.

The spelling of 9854100657940 in words is "nine trillion, eight hundred fifty-four billion, one hundred million, six hundred fifty-seven thousand, nine hundred forty".