32451550040000 has 560 divisors, whose sum is σ = 101716290717888. Its totient is φ = 9992761344000.

The previous prime is 32451550039999. The next prime is 32451550040011. The reversal of 32451550040000 is 4005515423.

It is a tau number, because it is divible by the number of its divisors (560).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 134559524 + ... + 134800476.

Almost surely, 2^{32451550040000} 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 32451550040000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (50858145358944).

32451550040000 is an abundant number, since it is smaller than the sum of its proper divisors (69264740677888).

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

32451550040000 is a wasteful number, since it uses less digits than its factorization.

32451550040000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 241042 (or 241017 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 29.

Adding to 32451550040000 its reverse (4005515423), we get a palindrome (32455555555423).

The spelling of 32451550040000 in words is "thirty-two trillion, four hundred fifty-one billion, five hundred fifty million, forty thousand".