32491243008 has 480 divisors, whose sum is σ = 111477537600. Its totient is φ = 9103933440.

The previous prime is 32491243007. The next prime is 32491243009. The reversal of 32491243008 is 80034219423.

32491243008 is a `hidden beast` number, since 324 + 9 + 1 + 24 + 300 + 8 = 666.

It is an interprime number because it is at equal distance from previous prime (32491243007) and next prime (32491243009).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32491243007) 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, 96413016 + ... + 96413352.

It is an arithmetic number, because the mean of its divisors is an integer number (232244870).

Almost surely, 2^32491243008 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 32491243008, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (55738768800).

32491243008 is an abundant number, since it is smaller than the sum of its proper divisors (78986294592).

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

32491243008 is an equidigital number, since it uses as much as digits as its factorization.

32491243008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 443 (or 410 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 36.

The spelling of 32491243008 in words is "thirty-two billion, four hundred ninety-one million, two hundred forty-three thousand, eight".