3668140944 has 240 divisors, whose sum is σ = 11654611200. Its totient is φ = 1103611392.

The previous prime is 3668140933. The next prime is 3668140961. The reversal of 3668140944 is 4490418663.

It is a super-2 number, since 2×3668140944² = 26910515970098422272, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 3668140944.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3430842 + ... + 3431910.

It is an arithmetic number, because the mean of its divisors is an integer number (48560880).

Almost surely, 2^3668140944 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 3668140944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5827305600).

3668140944 is an abundant number, since it is smaller than the sum of its proper divisors (7986470256).

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

3668140944 is a wasteful number, since it uses less digits than its factorization.

3668140944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1159 (or 1134 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 45.

The square root of 3668140944 is about 60565.1793029625. The cubic root of 3668140944 is about 1542.2283118162.

The spelling of 3668140944 in words is "three billion, six hundred sixty-eight million, one hundred forty thousand, nine hundred forty-four".