9903157601840 has 40 divisors (see below), whose sum is σ = 23025707749968. Its totient is φ = 3961113995520.

The previous prime is 9903157601759. The next prime is 9903157601893. The reversal of 9903157601840 is 481067513099.

It is a tau number, because it is divible by the number of its divisors (40).

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, 176987 + ... + 4453946.

Almost surely, 2^{9903157601840} is an apocalyptic number.

It is an amenable number.

9903157601840 is an abundant number, since it is smaller than the sum of its proper divisors (13122550148128).

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

9903157601840 is a wasteful number, since it uses less digits than its factorization.

9903157601840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4657677 (or 4657671 counting only the distinct ones).

The product of its (nonzero) digits is 1632960, while the sum is 53.

The spelling of 9903157601840 in words is "nine trillion, nine hundred three billion, one hundred fifty-seven million, six hundred one thousand, eight hundred forty".