9940827924 has 48 divisors (see below), whose sum is σ = 25778437440. Its totient is φ = 3312848160.

The previous prime is 9940827899. The next prime is 9940827961. The reversal of 9940827924 is 4297280499.

It is a Harshad number since it is a multiple of its sum of digits (54).

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, 654642 + ... + 669654.

It is an arithmetic number, because the mean of its divisors is an integer number (537050780).

Almost surely, 2^9940827924 is an apocalyptic number.

It is an amenable number.

9940827924 is an abundant number, since it is smaller than the sum of its proper divisors (15837609516).

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

9940827924 is a wasteful number, since it uses less digits than its factorization.

With its successor (9940827925) it forms an eRAP, since the sums of their prime factors are consecutive (21157 and 21158).

9940827924 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21157 (or 21149 counting only the distinct ones).

The product of its (nonzero) digits is 2612736, while the sum is 54.

The square root of 9940827924 is about 99703.7006534863. The cubic root of 9940827924 is about 2150.1768683773.

The spelling of 9940827924 in words is "nine billion, nine hundred forty million, eight hundred twenty-seven thousand, nine hundred twenty-four".