2505394248 has 128 divisors (see below), whose sum is σ = 7339038720. Its totient is φ = 697973760.

The previous prime is 2505394211. The next prime is 2505394273. The reversal of 2505394248 is 8424935052.

It is a super-2 number, since 2×2505394248² = 12554000675822971008, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1158288 + ... + 1160448.

It is an arithmetic number, because the mean of its divisors is an integer number (57336240).

Almost surely, 2^2505394248 is an apocalyptic number.

2505394248 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 2505394248, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3669519360).

2505394248 is an abundant number, since it is smaller than the sum of its proper divisors (4833644472).

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

2505394248 is a wasteful number, since it uses less digits than its factorization.

2505394248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2347 (or 2343 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 42.

The square root of 2505394248 is about 50053.9134134385. The cubic root of 2505394248 is about 1358.1842565122.

The spelling of 2505394248 in words is "two billion, five hundred five million, three hundred ninety-four thousand, two hundred forty-eight".