2505262428 has 36 divisors (see below), whose sum is σ = 6335915040. Its totient is φ = 834669696.

The previous prime is 2505262393. The next prime is 2505262429. The reversal of 2505262428 is 8242625052.

2505262428 is a `hidden beast` number, since 2 + 5 + 0 + 5 + 2 + 624 + 28 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 2505262392 and 2505262401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2505262429) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 60301 + ... + 92987.

It is an arithmetic number, because the mean of its divisors is an integer number (175997640).

Almost surely, 2^2505262428 is an apocalyptic number.

It is an amenable number.

2505262428 is an abundant number, since it is smaller than the sum of its proper divisors (3830652612).

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

2505262428 is a wasteful number, since it uses less digits than its factorization.

2505262428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34826 (or 34821 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 36.

The square root of 2505262428 is about 50052.5966159599. The cubic root of 2505262428 is about 1358.1604360444.

The spelling of 2505262428 in words is "two billion, five hundred five million, two hundred sixty-two thousand, four hundred twenty-eight".