2516485278 has 32 divisors (see below), whose sum is σ = 5102113536. Its totient is φ = 827373248.

The previous prime is 2516485271. The next prime is 2516485297. The reversal of 2516485278 is 8725846152.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2516485271) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 141175 + ... + 157997.

It is an arithmetic number, because the mean of its divisors is an integer number (159441048).

Almost surely, 2^2516485278 is an apocalyptic number.

2516485278 is an abundant number, since it is smaller than the sum of its proper divisors (2585628258).

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

2516485278 is a wasteful number, since it uses less digits than its factorization.

2516485278 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17168.

The product of its digits is 1075200, while the sum is 48.

The square root of 2516485278 is about 50164.5819079557. The cubic root of 2516485278 is about 1360.1854703079.

The spelling of 2516485278 in words is "two billion, five hundred sixteen million, four hundred eighty-five thousand, two hundred seventy-eight".