32420423022400 has 336 divisors, whose sum is σ = 97419546892800. Its totient is φ = 10365730652160.

The previous prime is 32420423022391. The next prime is 32420423022511. The reversal of 32420423022400 is 422032402423.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 19972521 + ... + 21534679.

Almost surely, 2^{32420423022400} 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 32420423022400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48709773446400).

32420423022400 is an abundant number, since it is smaller than the sum of its proper divisors (64999123870400).

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

32420423022400 is a wasteful number, since it uses less digits than its factorization.

32420423022400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1562314 (or 1562299 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 28.

Adding to 32420423022400 its reverse (422032402423), we get a palindrome (32842455424823).

The spelling of 32420423022400 in words is "thirty-two trillion, four hundred twenty billion, four hundred twenty-three million, twenty-two thousand, four hundred".