2516020444 has 18 divisors (see below), whose sum is σ = 5121899160. Its totient is φ = 1078294392.

The previous prime is 2516020433. The next prime is 2516020447. The reversal of 2516020444 is 4440206152.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2516020447) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6418224 + ... + 6418615.

Almost surely, 2^2516020444 is an apocalyptic number.

It is an amenable number.

2516020444 is an abundant number, since it is smaller than the sum of its proper divisors (2605878716).

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

2516020444 is a wasteful number, since it uses less digits than its factorization.

2516020444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12836857 (or 12836848 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 28.

The square root of 2516020444 is about 50159.9486044394. The cubic root of 2516020444 is about 1360.1017160083.

Adding to 2516020444 its reverse (4440206152), we get a palindrome (6956226596).

The spelling of 2516020444 in words is "two billion, five hundred sixteen million, twenty thousand, four hundred forty-four".