2505628458 has 32 divisors (see below), whose sum is σ = 5861121600. Its totient is φ = 791250768.

The previous prime is 2505628457. The next prime is 2505628501. The reversal of 2505628458 is 8548265052.

It is a happy number.

2505628458 is a `hidden beast` number, since 2 + 5 + 0 + 562 + 84 + 5 + 8 = 666.

2505628458 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (2505628451) 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, 1220041 + ... + 1222092.

It is an arithmetic number, because the mean of its divisors is an integer number (183160050).

Almost surely, 2^2505628458 is an apocalyptic number.

2505628458 is an abundant number, since it is smaller than the sum of its proper divisors (3355493142).

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

2505628458 is a wasteful number, since it uses less digits than its factorization.

2505628458 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2442163 (or 2442157 counting only the distinct ones).

The product of its (nonzero) digits is 768000, while the sum is 45.

The square root of 2505628458 is about 50056.2529360718. The cubic root of 2505628458 is about 1358.2265772531.

The spelling of 2505628458 in words is "two billion, five hundred five million, six hundred twenty-eight thousand, four hundred fifty-eight".