3548642636 has 96 divisors (see below), whose sum is σ = 7856013312. Its totient is φ = 1362493440.

The previous prime is 3548642627. The next prime is 3548642641. The reversal of 3548642636 is 6362468453.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10052636 + ... + 10052988.

It is an arithmetic number, because the mean of its divisors is an integer number (81833472).

Almost surely, 2^3548642636 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3548642636, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3928006656).

3548642636 is an abundant number, since it is smaller than the sum of its proper divisors (4307370676).

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

3548642636 is a wasteful number, since it uses less digits than its factorization.

3548642636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 759 (or 757 counting only the distinct ones).

The product of its digits is 2488320, while the sum is 47.

The square root of 3548642636 is about 59570.4846043743. The cubic root of 3548642636 is about 1525.2958502963.

The spelling of 3548642636 in words is "three billion, five hundred forty-eight million, six hundred forty-two thousand, six hundred thirty-six".