32406623140 has 96 divisors (see below), whose sum is σ = 72080031744. Its totient is φ = 12220087680.

The previous prime is 32406623111. The next prime is 32406623189. The reversal of 32406623140 is 4132660423.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6495727 + ... + 6500713.

It is an arithmetic number, because the mean of its divisors is an integer number (750833664).

Almost surely, 2^32406623140 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 32406623140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36040015872).

32406623140 is an abundant number, since it is smaller than the sum of its proper divisors (39673408604).

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

32406623140 is a wasteful number, since it uses less digits than its factorization.

32406623140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5297 (or 5295 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 31.

The spelling of 32406623140 in words is "thirty-two billion, four hundred six million, six hundred twenty-three thousand, one hundred forty".