32551673280 has 224 divisors, whose sum is σ = 118436989440. Its totient is φ = 7420170240.

The previous prime is 32551673257. The next prime is 32551673293. The reversal of 32551673280 is 8237615523.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (224).

It is a super-2 number, since 2×32551673280² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2540490 + ... + 2553270.

It is an arithmetic number, because the mean of its divisors is an integer number (528736560).

Almost surely, 2^32551673280 is an apocalyptic number.

32551673280 is a gapful number since it is divisible by the number (30) 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 32551673280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (59218494720).

32551673280 is an abundant number, since it is smaller than the sum of its proper divisors (85885316160).

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

32551673280 is a wasteful number, since it uses less digits than its factorization.

32551673280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13187 (or 13177 counting only the distinct ones).

The product of its (nonzero) digits is 302400, while the sum is 42.

The spelling of 32551673280 in words is "thirty-two billion, five hundred fifty-one million, six hundred seventy-three thousand, two hundred eighty".