45338850128 has 80 divisors (see below), whose sum is σ = 109272131136. Its totient is φ = 17904261120.

The previous prime is 45338850127. The next prime is 45338850191. The reversal of 45338850128 is 82105883354.

It is a super-2 number, since 2×45338850128² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45338850127) 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 15 ways as a sum of consecutive naturals, for example, 543926 + ... + 621717.

Almost surely, 2^45338850128 is an apocalyptic number.

It is an amenable number.

45338850128 is an abundant number, since it is smaller than the sum of its proper divisors (63933281008).

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

45338850128 is a wasteful number, since it uses less digits than its factorization.

45338850128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1165692 (or 1165686 counting only the distinct ones).

The product of its (nonzero) digits is 921600, while the sum is 47.

The spelling of 45338850128 in words is "forty-five billion, three hundred thirty-eight million, eight hundred fifty thousand, one hundred twenty-eight".