39860944969056 has 192 divisors, whose sum is σ = 115623025233408. Its totient is φ = 11960016887808.

The previous prime is 39860944969051. The next prime is 39860944969129. The reversal of 39860944969056 is 65096944906893.

It is a super-2 number, since 2×39860944969056² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39860944969051) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 284190015 + ... + 284330241.

It is an arithmetic number, because the mean of its divisors is an integer number (602203256424).

Almost surely, 2^{39860944969056} 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 39860944969056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57811512616704).

39860944969056 is an abundant number, since it is smaller than the sum of its proper divisors (75762080264352).

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

39860944969056 is a wasteful number, since it uses less digits than its factorization.

39860944969056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147853 (or 147845 counting only the distinct ones).

The product of its (nonzero) digits is 2720977920, while the sum is 78.

The spelling of 39860944969056 in words is "thirty-nine trillion, eight hundred sixty billion, nine hundred forty-four million, nine hundred sixty-nine thousand, fifty-six".