32449317810 has 128 divisors (see below), whose sum is σ = 95922731520. Its totient is φ = 6841276416.

The previous prime is 32449317781. The next prime is 32449317811. The reversal of 32449317810 is 1871394423.

It is a super-2 number, since 2×32449317810² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (32449317811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 4399806 + ... + 4407174.

It is an arithmetic number, because the mean of its divisors is an integer number (749396340).

Almost surely, 2^32449317810 is an apocalyptic number.

32449317810 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 32449317810, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (47961365760).

32449317810 is an abundant number, since it is smaller than the sum of its proper divisors (63473413710).

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

32449317810 is a wasteful number, since it uses less digits than its factorization.

32449317810 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9012.

The product of its (nonzero) digits is 145152, while the sum is 42.

The spelling of 32449317810 in words is "thirty-two billion, four hundred forty-nine million, three hundred seventeen thousand, eight hundred ten".