2044454542 has 32 divisors (see below), whose sum is σ = 3370429440. Its totient is φ = 924268800.

The previous prime is 2044454491. The next prime is 2044454591. The reversal of 2044454542 is 2454544402.

It is a junction number, because it is equal to n+sod(n) for n = 2044454498 and 2044454507.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1585434 + ... + 1586722.

It is an arithmetic number, because the mean of its divisors is an integer number (105325920).

Almost surely, 2^2044454542 is an apocalyptic number.

2044454542 is a deficient number, since it is larger than the sum of its proper divisors (1325974898).

2044454542 is a wasteful number, since it uses less digits than its factorization.

2044454542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2508.

The product of its (nonzero) digits is 102400, while the sum is 34.

The square root of 2044454542 is about 45215.6448809480. The cubic root of 2044454542 is about 1269.1875974837.

Adding to 2044454542 its reverse (2454544402), we get a palindrome (4498998944).

The spelling of 2044454542 in words is "two billion, forty-four million, four hundred fifty-four thousand, five hundred forty-two".