32011206400 has 108 divisors (see below), whose sum is σ = 80416392952. Its totient is φ = 12613201920.

The previous prime is 32011206319. The next prime is 32011206401. The reversal of 32011206400 is 460211023.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32011206401) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 391474 + ... + 466126.

Almost surely, 2^32011206400 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 32011206400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40208196476).

32011206400 is an abundant number, since it is smaller than the sum of its proper divisors (48405186552).

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

32011206400 is an equidigital number, since it uses as much as digits as its factorization.

32011206400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74746 (or 74727 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 32011206400 its reverse (460211023), we get a palindrome (32471417423).

The spelling of 32011206400 in words is "thirty-two billion, eleven million, two hundred six thousand, four hundred".