2516943268 has 48 divisors (see below), whose sum is σ = 5274872064. Its totient is φ = 1027445760.

The previous prime is 2516943259. The next prime is 2516943287. The reversal of 2516943268 is 8623496152.

It is a Harshad number since it is a multiple of its sum of digits (46).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 147096 + ... + 163312.

It is an arithmetic number, because the mean of its divisors is an integer number (109893168).

Almost surely, 2^2516943268 is an apocalyptic number.

2516943268 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2516943268, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2637436032).

2516943268 is an abundant number, since it is smaller than the sum of its proper divisors (2757928796).

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

2516943268 is a wasteful number, since it uses less digits than its factorization.

2516943268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16492 (or 16490 counting only the distinct ones).

The product of its digits is 622080, while the sum is 46.

The square root of 2516943268 is about 50169.1465743638. The cubic root of 2516943268 is about 1360.2679813617.

The spelling of 2516943268 in words is "two billion, five hundred sixteen million, nine hundred forty-three thousand, two hundred sixty-eight".