5112452020440 has 128 divisors (see below), whose sum is σ = 15720127488000. Its totient is φ = 1329660315648.

The previous prime is 5112452020367. The next prime is 5112452020469. The reversal of 5112452020440 is 440202542115.

It is a super-2 number, since 2×5112452020440² (a number of 26 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 5112452020398 and 5112452020407.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1943745 + ... + 3742064.

It is an arithmetic number, because the mean of its divisors is an integer number (122813496000).

Almost surely, 2^{5112452020440} is an apocalyptic number.

It is an amenable number.

5112452020440 is an abundant number, since it is smaller than the sum of its proper divisors (10607675467560).

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

5112452020440 is a wasteful number, since it uses less digits than its factorization.

5112452020440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5686009 (or 5686005 counting only the distinct ones).

The product of its (nonzero) digits is 12800, while the sum is 30.

Adding to 5112452020440 its reverse (440202542115), we get a palindrome (5552654562555).

The spelling of 5112452020440 in words is "five trillion, one hundred twelve billion, four hundred fifty-two million, twenty thousand, four hundred forty".