45382121020 has 24 divisors (see below), whose sum is σ = 95508310464. Its totient is φ = 18113637696.

The previous prime is 45382121011. The next prime is 45382121033. The reversal of 45382121020 is 2012128354.

45382121020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 45382121020.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2441179 + ... + 2459698.

It is an arithmetic number, because the mean of its divisors is an integer number (3979512936).

Almost surely, 2^45382121020 is an apocalyptic number.

It is an amenable number.

45382121020 is an abundant number, since it is smaller than the sum of its proper divisors (50126189444).

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

45382121020 is a wasteful number, since it uses less digits than its factorization.

45382121020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4901349 (or 4901347 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 28.

Adding to 45382121020 its reverse (2012128354), we get a palindrome (47394249374).

The spelling of 45382121020 in words is "forty-five billion, three hundred eighty-two million, one hundred twenty-one thousand, twenty".