2044262440 has 64 divisors (see below), whose sum is σ = 5281848000. Its totient is φ = 704240640.

The previous prime is 2044262431. The next prime is 2044262447. The reversal of 2044262440 is 442624402.

It is a junction number, because it is equal to n+sod(n) for n = 2044262399 and 2044262408.

It is not an unprimeable number, because it can be changed into a prime (2044262447) 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, 113905 + ... + 130624.

It is an arithmetic number, because the mean of its divisors is an integer number (82528875).

Almost surely, 2^2044262440 is an apocalyptic number.

2044262440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2044262440 is an abundant number, since it is smaller than the sum of its proper divisors (3237585560).

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

2044262440 is a wasteful number, since it uses less digits than its factorization.

2044262440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 244570 (or 244566 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 28.

The square root of 2044262440 is about 45213.5205441912. The cubic root of 2044262440 is about 1269.1478442378.

Adding to 2044262440 its reverse (442624402), we get a palindrome (2486886842).

The spelling of 2044262440 in words is "two billion, forty-four million, two hundred sixty-two thousand, four hundred forty".