3641187880 has 64 divisors (see below), whose sum is σ = 8943799680. Its totient is φ = 1323129600.

The previous prime is 3641187859. The next prime is 3641187881. The reversal of 3641187880 is 887811463.

It is a self number, because there is not a number n which added to its sum of digits gives 3641187880.

It is not an unprimeable number, because it can be changed into a prime (3641187881) 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, 1035325 + ... + 1038835.

It is an arithmetic number, because the mean of its divisors is an integer number (139746870).

Almost surely, 2^3641187880 is an apocalyptic number.

It is an amenable number.

3641187880 is an abundant number, since it is smaller than the sum of its proper divisors (5302611800).

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

3641187880 is a wasteful number, since it uses less digits than its factorization.

3641187880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5890 (or 5886 counting only the distinct ones).

The product of its (nonzero) digits is 258048, while the sum is 46.

The square root of 3641187880 is about 60342.2561726026. The cubic root of 3641187880 is about 1538.4416518173.

The spelling of 3641187880 in words is "three billion, six hundred forty-one million, one hundred eighty-seven thousand, eight hundred eighty".