7538944368 has 40 divisors (see below), whose sum is σ = 19657634688. Its totient is φ = 2489493952.

The previous prime is 7538944363. The next prime is 7538944379. The reversal of 7538944368 is 8634498357.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7538944363) 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, 728796 + ... + 739067.

Almost surely, 2^7538944368 is an apocalyptic number.

It is an amenable number.

7538944368 is an abundant number, since it is smaller than the sum of its proper divisors (12118690320).

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

7538944368 is a wasteful number, since it uses less digits than its factorization.

7538944368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1467981 (or 1467975 counting only the distinct ones).

The product of its digits is 17418240, while the sum is 57.

The square root of 7538944368 is about 86827.0946652023. The cubic root of 7538944368 is about 1960.8160186766.

The spelling of 7538944368 in words is "seven billion, five hundred thirty-eight million, nine hundred forty-four thousand, three hundred sixty-eight".