45320786784 has 648 divisors, whose sum is σ = 167852647872. Its totient is φ = 11548293120.

The previous prime is 45320786783. The next prime is 45320786789. The reversal of 45320786784 is 48768702354.

It is a self number, because there is not a number n which added to its sum of digits gives 45320786784.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45320786783) by changing a digit.

It is a polite number, since it can be written in 107 ways as a sum of consecutive naturals, for example, 73932462 + ... + 73933074.

It is an arithmetic number, because the mean of its divisors is an integer number (259031864).

Almost surely, 2^45320786784 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 45320786784, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (83926323936).

45320786784 is an abundant number, since it is smaller than the sum of its proper divisors (122531861088).

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

45320786784 is a wasteful number, since it uses less digits than its factorization.

45320786784 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 700 (or 669 counting only the distinct ones).

The product of its (nonzero) digits is 9031680, while the sum is 54.

The spelling of 45320786784 in words is "forty-five billion, three hundred twenty million, seven hundred eighty-six thousand, seven hundred eighty-four".