2044532240 has 160 divisors (see below), whose sum is σ = 5230915200. Its totient is φ = 740413440.

The previous prime is 2044532213. The next prime is 2044532249. The reversal of 2044532240 is 422354402.

It is a happy number.

It is a super-2 number, since 2×2044532240² = 8360224160798835200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2044532249) 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, 3302651 + ... + 3303269.

It is an arithmetic number, because the mean of its divisors is an integer number (32693220).

Almost surely, 2^2044532240 is an apocalyptic number.

2044532240 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 2044532240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2615457600).

2044532240 is an abundant number, since it is smaller than the sum of its proper divisors (3186382960).

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

2044532240 is a wasteful number, since it uses less digits than its factorization.

2044532240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 745 (or 739 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 26.

The square root of 2044532240 is about 45216.5040665463. The cubic root of 2044532240 is about 1269.2036754622.

Adding to 2044532240 its reverse (422354402), we get a palindrome (2466886642).

The spelling of 2044532240 in words is "two billion, forty-four million, five hundred thirty-two thousand, two hundred forty".