9942589920 has 96 divisors (see below), whose sum is σ = 31696624512. Its totient is φ = 2619402752.

The previous prime is 9942589849. The next prime is 9942589991. The reversal of 9942589920 is 299852499.

It is an interprime number because it is at equal distance from previous prime (9942589849) and next prime (9942589991).

It is a tau number, because it is divible by the number of its divisors (96).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 84942 + ... + 164621.

It is an arithmetic number, because the mean of its divisors is an integer number (330173172).

Almost surely, 2^9942589920 is an apocalyptic number.

It is an amenable number.

9942589920 is an abundant number, since it is smaller than the sum of its proper divisors (21754034592).

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

9942589920 is a wasteful number, since it uses less digits than its factorization.

9942589920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 249664 (or 249656 counting only the distinct ones).

The product of its (nonzero) digits is 4199040, while the sum is 57.

The square root of 9942589920 is about 99712.5364234608. The cubic root of 9942589920 is about 2150.3038993534.

The spelling of 9942589920 in words is "nine billion, nine hundred forty-two million, five hundred eighty-nine thousand, nine hundred twenty".