45020124520 has 128 divisors (see below), whose sum is σ = 119247575040. Its totient is φ = 14976057600.

The previous prime is 45020124469. The next prime is 45020124521. The reversal of 45020124520 is 2542102054.

45020124520 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×45020124520² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (45020124521) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1805659 + ... + 1830421.

It is an arithmetic number, because the mean of its divisors is an integer number (931621680).

Almost surely, 2^45020124520 is an apocalyptic number.

45020124520 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 45020124520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (59623787520).

45020124520 is an abundant number, since it is smaller than the sum of its proper divisors (74227450520).

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

45020124520 is a wasteful number, since it uses less digits than its factorization.

45020124520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24975 (or 24971 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 25.

Adding to 45020124520 its reverse (2542102054), we get a palindrome (47562226574).

It can be divided in two parts, 450201 and 24520, that added together give a square (474721 = 689²).

The spelling of 45020124520 in words is "forty-five billion, twenty million, one hundred twenty-four thousand, five hundred twenty".