2505215244 has 96 divisors (see below), whose sum is σ = 6853625856. Its totient is φ = 697374720.

The previous prime is 2505215243. The next prime is 2505215261. The reversal of 2505215244 is 4425125052.

It is a super-2 number, since 2×2505215244² = 12552206837539959072, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2505215243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 950152 + ... + 952784.

It is an arithmetic number, because the mean of its divisors is an integer number (71391936).

Almost surely, 2^2505215244 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2505215244, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3426812928).

2505215244 is an abundant number, since it is smaller than the sum of its proper divisors (4348410612).

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

2505215244 is a wasteful number, since it uses less digits than its factorization.

2505215244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2935 (or 2933 counting only the distinct ones).

The product of its (nonzero) digits is 16000, while the sum is 30.

The square root of 2505215244 is about 50052.1252695627. The cubic root of 2505215244 is about 1358.1519094800.

The spelling of 2505215244 in words is "two billion, five hundred five million, two hundred fifteen thousand, two hundred forty-four".