39797333940 has 384 divisors, whose sum is σ = 145732930560. Its totient is φ = 7886979072.

The previous prime is 39797333893. The next prime is 39797333981. The reversal of 39797333940 is 4933379793.

It is a congruent number.

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 127 ways as a sum of consecutive naturals, for example, 5855184 + ... + 5861976.

It is an arithmetic number, because the mean of its divisors is an integer number (379512840).

Almost surely, 2^39797333940 is an apocalyptic number.

39797333940 is a gapful number since it is divisible by the number (30) 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 39797333940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (72866465280).

39797333940 is an abundant number, since it is smaller than the sum of its proper divisors (105935596620).

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

39797333940 is a wasteful number, since it uses less digits than its factorization.

39797333940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6891 (or 6889 counting only the distinct ones).

The product of its (nonzero) digits is 11573604, while the sum is 57.

The spelling of 39797333940 in words is "thirty-nine billion, seven hundred ninety-seven million, three hundred thirty-three thousand, nine hundred forty".