84488336640 has 432 divisors, whose sum is σ = 310031467200. Its totient is φ = 21183234048.

The previous prime is 84488336629. The next prime is 84488336641. The reversal of 84488336640 is 4663388448.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84488336641) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 30422932 + ... + 30425708.

Almost surely, 2^84488336640 is an apocalyptic number.

84488336640 is a gapful number since it is divisible by the number (80) 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 84488336640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (155015733600).

84488336640 is an abundant number, since it is smaller than the sum of its proper divisors (225543130560).

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

84488336640 is a wasteful number, since it uses less digits than its factorization.

84488336640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2962 (or 2945 counting only the distinct ones).

The product of its (nonzero) digits is 10616832, while the sum is 54.

The spelling of 84488336640 in words is "eighty-four billion, four hundred eighty-eight million, three hundred thirty-six thousand, six hundred forty".