9481998040 has 16 divisors (see below), whose sum is σ = 21334495680. Its totient is φ = 3792799200.

The previous prime is 9481998023. The next prime is 9481998041. The reversal of 9481998040 is 408991849.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9481998041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 118524936 + ... + 118525015.

It is an arithmetic number, because the mean of its divisors is an integer number (1333405980).

Almost surely, 2^9481998040 is an apocalyptic number.

It is an amenable number.

9481998040 is an abundant number, since it is smaller than the sum of its proper divisors (11852497640).

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

9481998040 is a wasteful number, since it uses less digits than its factorization.

9481998040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 237049962 (or 237049958 counting only the distinct ones).

The product of its (nonzero) digits is 746496, while the sum is 52.

The square root of 9481998040 is about 97375.5515517114. The cubic root of 9481998040 is about 2116.5731720816.

The spelling of 9481998040 in words is "nine billion, four hundred eighty-one million, nine hundred ninety-eight thousand, forty".