45138823416 has 24 divisors (see below), whose sum is σ = 122250980280. Its totient is φ = 15046274448.

The previous prime is 45138823391. The next prime is 45138823417. The reversal of 45138823416 is 61432883154.

45138823416 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45138823417) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 313463980 + ... + 313464123.

It is an arithmetic number, because the mean of its divisors is an integer number (5093790845).

Almost surely, 2^45138823416 is an apocalyptic number.

It is an amenable number.

45138823416 is an abundant number, since it is smaller than the sum of its proper divisors (77112156864).

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

45138823416 is a wasteful number, since it uses less digits than its factorization.

45138823416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 626928115 (or 626928108 counting only the distinct ones).

The product of its digits is 552960, while the sum is 45.

The spelling of 45138823416 in words is "forty-five billion, one hundred thirty-eight million, eight hundred twenty-three thousand, four hundred sixteen".