9807955044 has 48 divisors (see below), whose sum is σ = 25284970368. Its totient is φ = 2943221248.

The previous prime is 9807955037. The next prime is 9807955049. The reversal of 9807955044 is 4405597089.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is not an unprimeable number, because it can be changed into a prime (9807955049) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1040487 + ... + 1049870.

It is an arithmetic number, because the mean of its divisors is an integer number (526770216).

Almost surely, 2^9807955044 is an apocalyptic number.

It is an amenable number.

9807955044 is an abundant number, since it is smaller than the sum of its proper divisors (15477015324).

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

9807955044 is a wasteful number, since it uses less digits than its factorization.

9807955044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2090404 (or 2090402 counting only the distinct ones).

The product of its (nonzero) digits is 1814400, while the sum is 51.

The square root of 9807955044 is about 99035.1202553922. The cubic root of 9807955044 is about 2140.5538383686.

The spelling of 9807955044 in words is "nine billion, eight hundred seven million, nine hundred fifty-five thousand, forty-four".