32513404352 has 252 divisors, whose sum is σ = 80543451816. Its totient is φ = 12906915840.

The previous prime is 32513404331. The next prime is 32513404381. The reversal of 32513404352 is 25340431523.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 42949958 + ... + 42950714.

Almost surely, 2^32513404352 is an apocalyptic number.

32513404352 is a gapful number since it is divisible by the number (32) 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 32513404352, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40271725908).

32513404352 is an abundant number, since it is smaller than the sum of its proper divisors (48030047464).

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

32513404352 is a wasteful number, since it uses less digits than its factorization.

32513404352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 844 (or 802 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 32.

Adding to 32513404352 its reverse (25340431523), we get a palindrome (57853835875).

The spelling of 32513404352 in words is "thirty-two billion, five hundred thirteen million, four hundred four thousand, three hundred fifty-two".