3659699040 has 192 divisors, whose sum is σ = 11856886272. Its totient is φ = 948326400.

The previous prime is 3659698969. The next prime is 3659699053. The reversal of 3659699040 is 409969563.

It is a happy number.

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 31 ways as a sum of consecutive naturals, for example, 5799525 + ... + 5800155.

It is an arithmetic number, because the mean of its divisors is an integer number (61754616).

Almost surely, 2^3659699040 is an apocalyptic number.

3659699040 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3659699040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5928443136).

3659699040 is an abundant number, since it is smaller than the sum of its proper divisors (8197187232).

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

3659699040 is a wasteful number, since it uses less digits than its factorization.

3659699040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 973 (or 965 counting only the distinct ones).

The product of its (nonzero) digits is 1574640, while the sum is 51.

The square root of 3659699040 is about 60495.4464402074. The cubic root of 3659699040 is about 1541.0443020805.

The spelling of 3659699040 in words is "three billion, six hundred fifty-nine million, six hundred ninety-nine thousand, forty".