39953988744 has 96 divisors (see below), whose sum is σ = 106202057280. Its totient is φ = 12523262976.

The previous prime is 39953988733. The next prime is 39953988751. The reversal of 39953988744 is 44788935993.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11074989 + ... + 11078595.

It is an arithmetic number, because the mean of its divisors is an integer number (1106271430).

Almost surely, 2^39953988744 is an apocalyptic number.

39953988744 is a gapful number since it is divisible by the number (34) 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 39953988744, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53101028640).

39953988744 is an abundant number, since it is smaller than the sum of its proper divisors (66248068536).

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

39953988744 is a wasteful number, since it uses less digits than its factorization.

39953988744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5247 (or 5226 counting only the distinct ones).

The product of its digits is 235146240, while the sum is 69.

The spelling of 39953988744 in words is "thirty-nine billion, nine hundred fifty-three million, nine hundred eighty-eight thousand, seven hundred forty-four".