3618607944 has 32 divisors (see below), whose sum is σ = 10338880320. Its totient is φ = 1033887936.

The previous prime is 3618607943. The next prime is 3618607991. The reversal of 3618607944 is 4497068163.

It is a junction number, because it is equal to n+sod(n) for n = 3618607893 and 3618607902.

It is not an unprimeable number, because it can be changed into a prime (3618607943) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10769499 + ... + 10769834.

It is an arithmetic number, because the mean of its divisors is an integer number (323090010).

Almost surely, 2^3618607944 is an apocalyptic number.

It is an amenable number.

3618607944 is an abundant number, since it is smaller than the sum of its proper divisors (6720272376).

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

3618607944 is a wasteful number, since it uses less digits than its factorization.

3618607944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21539349 (or 21539345 counting only the distinct ones).

The product of its (nonzero) digits is 870912, while the sum is 48.

The square root of 3618607944 is about 60154.8663368143. The cubic root of 3618607944 is about 1535.2549656936.

The spelling of 3618607944 in words is "three billion, six hundred eighteen million, six hundred seven thousand, nine hundred forty-four".