45401128528 has 80 divisors (see below), whose sum is σ = 102396858880. Its totient is φ = 19098592128.

The previous prime is 45401128519. The next prime is 45401128529. The reversal of 45401128528 is 82582110454.

It is a super-2 number, since 2×45401128528² (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 (45401128529) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2112943 + ... + 2134321.

It is an arithmetic number, because the mean of its divisors is an integer number (1279960736).

Almost surely, 2^45401128528 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 45401128528, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (51198429440).

45401128528 is an abundant number, since it is smaller than the sum of its proper divisors (56995730352).

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

45401128528 is a wasteful number, since it uses less digits than its factorization.

45401128528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21744 (or 21738 counting only the distinct ones).

The product of its (nonzero) digits is 102400, while the sum is 40.

The spelling of 45401128528 in words is "forty-five billion, four hundred one million, one hundred twenty-eight thousand, five hundred twenty-eight".