2044344402 has 24 divisors (see below), whose sum is σ = 4430989836. Its totient is φ = 681205536.

The previous prime is 2044344389. The next prime is 2044344427. The reversal of 2044344402 is 2044434402.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 2032296561 + 12047841 = 45081^2 + 3471^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 35968 + ... + 73364.

Almost surely, 2^2044344402 is an apocalyptic number.

2044344402 is an abundant number, since it is smaller than the sum of its proper divisors (2386645434).

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

2044344402 is a wasteful number, since it uses less digits than its factorization.

2044344402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40442 (or 40439 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 27.

The square root of 2044344402 is about 45214.4269232731. The cubic root of 2044344402 is about 1269.1648056127.

Adding to 2044344402 its reverse (2044434402), we get a palindrome (4088778804).

Subtracting 2044344402 from its reverse (2044434402), we obtain a square (90000 = 300²).

The spelling of 2044344402 in words is "two billion, forty-four million, three hundred forty-four thousand, four hundred two".