9049428240 has 160 divisors (see below), whose sum is σ = 29058711552. Its totient is φ = 2327232000.

The previous prime is 9049428229. The next prime is 9049428293. The reversal of 9049428240 is 428249409.

It is a junction number, because it is equal to n+sod(n) for n = 9049428192 and 9049428201.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2311885 + ... + 2315795.

Almost surely, 2^9049428240 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 9049428240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14529355776).

9049428240 is an abundant number, since it is smaller than the sum of its proper divisors (20009283312).

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

9049428240 is a wasteful number, since it uses less digits than its factorization.

9049428240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4269 (or 4263 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 42.

The square root of 9049428240 is about 95128.4828008941. The cubic root of 9049428240 is about 2083.8848317158.

The spelling of 9049428240 in words is "nine billion, forty-nine million, four hundred twenty-eight thousand, two hundred forty".