1516442444 has 24 divisors (see below), whose sum is σ = 2921595600. Its totient is φ = 682966080.

The previous prime is 1516442387. The next prime is 1516442461. The reversal of 1516442444 is 4442446151.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 153299 + ... + 162890.

It is an arithmetic number, because the mean of its divisors is an integer number (121733150).

Almost surely, 2^1516442444 is an apocalyptic number.

It is an amenable number.

1516442444 is a deficient number, since it is larger than the sum of its proper divisors (1405153156).

1516442444 is a wasteful number, since it uses less digits than its factorization.

1516442444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 316313 (or 316311 counting only the distinct ones).

The product of its digits is 61440, while the sum is 35.

The square root of 1516442444 is about 38941.5259588014. The cubic root of 1516442444 is about 1148.8816964887.

Adding to 1516442444 its reverse (4442446151), we get a palindrome (5958888595).

The spelling of 1516442444 in words is "one billion, five hundred sixteen million, four hundred forty-two thousand, four hundred forty-four".