45405066616 has 64 divisors (see below), whose sum is σ = 105159660480. Its totient is φ = 17897518080.

The previous prime is 45405066599. The next prime is 45405066647. The reversal of 45405066616 is 61666050454.

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 15 ways as a sum of consecutive naturals, for example, 89076 + ... + 314236.

It is an arithmetic number, because the mean of its divisors is an integer number (1643119695).

Almost surely, 2^45405066616 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 45405066616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (52579830240).

45405066616 is an abundant number, since it is smaller than the sum of its proper divisors (59754593864).

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

45405066616 is a wasteful number, since it uses less digits than its factorization.

45405066616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 225464 (or 225460 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 43.

The spelling of 45405066616 in words is "forty-five billion, four hundred five million, sixty-six thousand, six hundred sixteen".