2528553630 has 32 divisors (see below), whose sum is σ = 6387926400. Its totient is φ = 638792352.

The previous prime is 2528553607. The next prime is 2528553661. The reversal of 2528553630 is 363558252.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2217460 + ... + 2218599.

It is an arithmetic number, because the mean of its divisors is an integer number (199622700).

Almost surely, 2^2528553630 is an apocalyptic number.

2528553630 is an abundant number, since it is smaller than the sum of its proper divisors (3859372770).

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

2528553630 is a wasteful number, since it uses less digits than its factorization.

2528553630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4436088.

The product of its (nonzero) digits is 216000, while the sum is 39.

The square root of 2528553630 is about 50284.7256132516. The cubic root of 2528553630 is about 1362.3563586753.

The spelling of 2528553630 in words is "two billion, five hundred twenty-eight million, five hundred fifty-three thousand, six hundred thirty".