40593818928 has 90 divisors (see below), whose sum is σ = 113605387644. Its totient is φ = 12484822272.

The previous prime is 40593818897. The next prime is 40593818929. The reversal of 40593818928 is 82981839504.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (40593818929) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 18145426 + ... + 18147662.

Almost surely, 2^40593818928 is an apocalyptic number.

40593818928 is a gapful number since it is divisible by the number (48) 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 40593818928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (56802693822).

40593818928 is an abundant number, since it is smaller than the sum of its proper divisors (73011568716).

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

40593818928 is an equidigital number, since it uses as much as digits as its factorization.

40593818928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4511 (or 2255 counting only the distinct ones).

The product of its (nonzero) digits is 4976640, while the sum is 57.

The spelling of 40593818928 in words is "forty billion, five hundred ninety-three million, eight hundred eighteen thousand, nine hundred twenty-eight".