39954219846 has 16 divisors (see below), whose sum is σ = 79913754624. Its totient is φ = 13317187464.

The previous prime is 39954219821. The next prime is 39954219881. The reversal of 39954219846 is 64891245993.

It is a self number, because there is not a number n which added to its sum of digits gives 39954219846.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 120166 + ... + 307161.

It is an arithmetic number, because the mean of its divisors is an integer number (4994609664).

Almost surely, 2^39954219846 is an apocalyptic number.

39954219846 is an abundant number, since it is smaller than the sum of its proper divisors (39959534778).

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

39954219846 is a wasteful number, since it uses less digits than its factorization.

39954219846 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 442915.

The product of its digits is 16796160, while the sum is 60.

The spelling of 39954219846 in words is "thirty-nine billion, nine hundred fifty-four million, two hundred nineteen thousand, eight hundred forty-six".