2528635542 has 16 divisors (see below), whose sum is σ = 5059342512. Its totient is φ = 842533280.

The previous prime is 2528635513. The next prime is 2528635589. The reversal of 2528635542 is 2455368252.

It is a junction number, because it is equal to n+sod(n) for n = 2528635494 and 2528635503.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70209 + ... + 99932.

It is an arithmetic number, because the mean of its divisors is an integer number (316208907).

Almost surely, 2^2528635542 is an apocalyptic number.

2528635542 is an abundant number, since it is smaller than the sum of its proper divisors (2530706970).

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

2528635542 is a wasteful number, since it uses less digits than its factorization.

2528635542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172623.

The product of its digits is 576000, while the sum is 42.

The square root of 2528635542 is about 50285.5400885781. The cubic root of 2528635542 is about 1362.3710696057.

The spelling of 2528635542 in words is "two billion, five hundred twenty-eight million, six hundred thirty-five thousand, five hundred forty-two".