32399041280 has 144 divisors (see below), whose sum is σ = 80477349120. Its totient is φ = 12482297856.

The previous prime is 32399041277. The next prime is 32399041307. The reversal of 32399041280 is 8214099323.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20675057 + ... + 20676623.

It is an arithmetic number, because the mean of its divisors is an integer number (558870480).

Almost surely, 2^32399041280 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 32399041280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40238674560).

32399041280 is an abundant number, since it is smaller than the sum of its proper divisors (48078307840).

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

32399041280 is a wasteful number, since it uses less digits than its factorization.

32399041280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2174 (or 2160 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 41.

The spelling of 32399041280 in words is "thirty-two billion, three hundred ninety-nine million, forty-one thousand, two hundred eighty".