39973258416 has 160 divisors (see below), whose sum is σ = 129688921600. Its totient is φ = 10542341376.

The previous prime is 39973258331. The next prime is 39973258439. The reversal of 39973258416 is 61485237993.

It is a super-2 number, since 2×39973258416² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 120651 + ... + 307413.

It is an arithmetic number, because the mean of its divisors is an integer number (810555760).

Almost surely, 2^39973258416 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 39973258416, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64844460800).

39973258416 is an abundant number, since it is smaller than the sum of its proper divisors (89715663184).

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

39973258416 is a wasteful number, since it uses less digits than its factorization.

39973258416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186808 (or 186788 counting only the distinct ones).

The product of its digits is 9797760, while the sum is 57.

The spelling of 39973258416 in words is "thirty-nine billion, nine hundred seventy-three million, two hundred fifty-eight thousand, four hundred sixteen".