39918334848 has 512 divisors, whose sum is σ = 141004800000. Its totient is φ = 9722363904.

The previous prime is 39918334823. The next prime is 39918334849. The reversal of 39918334848 is 84843381993.

It is a junction number, because it is equal to n+sod(n) for n = 39918334791 and 39918334800.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39918334849) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 19968153 + ... + 19970151.

It is an arithmetic number, because the mean of its divisors is an integer number (275400000).

Almost surely, 2^39918334848 is an apocalyptic number.

39918334848 is a gapful number since it is divisible by the number (38) 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 39918334848, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (70502400000).

39918334848 is an abundant number, since it is smaller than the sum of its proper divisors (101086465152).

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

39918334848 is a wasteful number, since it uses less digits than its factorization.

39918334848 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2082 (or 2070 counting only the distinct ones).

The product of its digits is 17915904, while the sum is 60.

The spelling of 39918334848 in words is "thirty-nine billion, nine hundred eighteen million, three hundred thirty-four thousand, eight hundred forty-eight".