3656528850 has 48 divisors (see below), whose sum is σ = 9765749952. Its totient is φ = 900068160.

The previous prime is 3656528849. The next prime is 3656528867. The reversal of 3656528850 is 588256563.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 3656528850.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 935622 + ... + 939521.

It is an arithmetic number, because the mean of its divisors is an integer number (203453124).

Almost surely, 2^3656528850 is an apocalyptic number.

3656528850 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

3656528850 is an abundant number, since it is smaller than the sum of its proper divisors (6109221102).

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

3656528850 is a wasteful number, since it uses less digits than its factorization.

3656528850 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1875171 (or 1875166 counting only the distinct ones).

The product of its (nonzero) digits is 1728000, while the sum is 48.

The square root of 3656528850 is about 60469.2388739928. The cubic root of 3656528850 is about 1540.5992004013.

The spelling of 3656528850 in words is "three billion, six hundred fifty-six million, five hundred twenty-eight thousand, eight hundred fifty".