9925624940 has 96 divisors (see below), whose sum is σ = 26102490624. Its totient is φ = 3079964160.

The previous prime is 9925624931. The next prime is 9925624949. The reversal of 9925624940 is 494265299.

It is an interprime number because it is at equal distance from previous prime (9925624931) and next prime (9925624949).

It is not an unprimeable number, because it can be changed into a prime (9925624949) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 335384 + ... + 363776.

It is an arithmetic number, because the mean of its divisors is an integer number (271900944).

Almost surely, 2^9925624940 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9925624940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13051245312).

9925624940 is an abundant number, since it is smaller than the sum of its proper divisors (16176865684).

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

9925624940 is a wasteful number, since it uses less digits than its factorization.

9925624940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28647 (or 28645 counting only the distinct ones).

The product of its (nonzero) digits is 1399680, while the sum is 50.

The square root of 9925624940 is about 99627.4306604361. The cubic root of 9925624940 is about 2149.0801863140.

The spelling of 9925624940 in words is "nine billion, nine hundred twenty-five million, six hundred twenty-four thousand, nine hundred forty".