9994624920 has 96 divisors (see below), whose sum is σ = 37122901920. Its totient is φ = 2284485120.

The previous prime is 9994624909. The next prime is 9994624933. The reversal of 9994624920 is 294264999.

9994624920 is a `hidden beast` number, since 9 + 9 + 9 + 4 + 624 + 9 + 2 + 0 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1980541 + ... + 1985580.

It is an arithmetic number, because the mean of its divisors is an integer number (386696895).

Almost surely, 2^9994624920 is an apocalyptic number.

9994624920 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is an amenable number.

9994624920 is an abundant number, since it is smaller than the sum of its proper divisors (27128277000).

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

9994624920 is a wasteful number, since it uses less digits than its factorization.

9994624920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3966145 (or 3966138 counting only the distinct ones).

The product of its (nonzero) digits is 2519424, while the sum is 54.

The square root of 9994624920 is about 99973.1209875935. The cubic root of 9994624920 is about 2154.0486122232.

The spelling of 9994624920 in words is "nine billion, nine hundred ninety-four million, six hundred twenty-four thousand, nine hundred twenty".