32449105920 has 832 divisors, whose sum is σ = 136633743360. Its totient is φ = 6387793920.

The previous prime is 32449105907. The next prime is 32449105957. The reversal of 32449105920 is 2950194423.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1707847671 + ... + 1707847689.

Almost surely, 2^32449105920 is an apocalyptic number.

32449105920 is a gapful number since it is divisible by the number (30) 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 32449105920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (68316871680).

32449105920 is an abundant number, since it is smaller than the sum of its proper divisors (104184637440).

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

32449105920 is an equidigital number, since it uses as much as digits as its factorization.

32449105920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107 (or 47 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 39.

The spelling of 32449105920 in words is "thirty-two billion, four hundred forty-nine million, one hundred five thousand, nine hundred twenty".