3641791840 has 24 divisors (see below), whose sum is σ = 8603733600. Its totient is φ = 1456716672.

The previous prime is 3641791817. The next prime is 3641791873. The reversal of 3641791840 is 481971463.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11380440 + ... + 11380759.

It is an arithmetic number, because the mean of its divisors is an integer number (358488900).

Almost surely, 2^3641791840 is an apocalyptic number.

It is an amenable number.

3641791840 is an abundant number, since it is smaller than the sum of its proper divisors (4961941760).

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

3641791840 is a wasteful number, since it uses less digits than its factorization.

3641791840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22761214 (or 22761206 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 43.

The square root of 3641791840 is about 60347.2604183487. The cubic root of 3641791840 is about 1538.5267070138.

The spelling of 3641791840 in words is "three billion, six hundred forty-one million, seven hundred ninety-one thousand, eight hundred forty".