84000444040 has 32 divisors (see below), whose sum is σ = 191393424000. Its totient is φ = 33174857664.

The previous prime is 84000444029. The next prime is 84000444041. The reversal of 84000444040 is 4044400048.

It is not an unprimeable number, because it can be changed into a prime (84000444041) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13288050 + ... + 13294369.

It is an arithmetic number, because the mean of its divisors is an integer number (5981044500).

Almost surely, 2^84000444040 is an apocalyptic number.

It is an amenable number.

84000444040 is an abundant number, since it is smaller than the sum of its proper divisors (107392979960).

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

84000444040 is a wasteful number, since it uses less digits than its factorization.

84000444040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26582509 (or 26582505 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 28.

Adding to 84000444040 its reverse (4044400048), we get a palindrome (88044844088).

The spelling of 84000444040 in words is "eighty-four billion, four hundred forty-four thousand, forty".