732550440864 has 192 divisors, whose sum is σ = 2191345228800. Its totient is φ = 212102584320.

The previous prime is 732550440863. The next prime is 732550440877. The reversal of 732550440864 is 468044055237.

It is a super-2 number, since 2×732550440864² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is not an unprimeable number, because it can be changed into a prime (732550440863) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 22984812 + ... + 23016660.

It is an arithmetic number, because the mean of its divisors is an integer number (11413256400).

Almost surely, 2^732550440864 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 732550440864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1095672614400).

732550440864 is an abundant number, since it is smaller than the sum of its proper divisors (1458794787936).

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

732550440864 is a wasteful number, since it uses less digits than its factorization.

732550440864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32843 (or 32835 counting only the distinct ones).

The product of its (nonzero) digits is 3225600, while the sum is 48.

The spelling of 732550440864 in words is "seven hundred thirty-two billion, five hundred fifty million, four hundred forty thousand, eight hundred sixty-four".