2249423040 has 112 divisors (see below), whose sum is σ = 7164506880. Its totient is φ = 597949440.

The previous prime is 2249423039. The next prime is 2249423047. The reversal of 2249423040 is 403249422.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 2249422989 and 2249423007.

It is not an unprimeable number, because it can be changed into a prime (2249423047) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 314221 + ... + 321299.

Almost surely, 2^2249423040 is an apocalyptic number.

2249423040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2249423040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3582253440).

2249423040 is an abundant number, since it is smaller than the sum of its proper divisors (4915083840).

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

2249423040 is a wasteful number, since it uses less digits than its factorization.

2249423040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7430 (or 7420 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 30.

The square root of 2249423040 is about 47428.0828202026. The cubic root of 2249423040 is about 1310.2586828661.

The spelling of 2249423040 in words is "two billion, two hundred forty-nine million, four hundred twenty-three thousand, forty".