5127241644 has 72 divisors (see below), whose sum is σ = 15322812960. Its totient is φ = 1414409472.

The previous prime is 5127241597. The next prime is 5127241649. The reversal of 5127241644 is 4461427215.

5127241644 is a `hidden beast` number, since 5 + 1 + 2 + 7 + 2 + 4 + 1 + 644 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 5127241599 and 5127241608.

It is not an unprimeable number, because it can be changed into a prime (5127241649) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 343489 + ... + 358104.

Almost surely, 2^5127241644 is an apocalyptic number.

It is an amenable number.

5127241644 is an abundant number, since it is smaller than the sum of its proper divisors (10195571316).

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

5127241644 is a wasteful number, since it uses less digits than its factorization.

5127241644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 701639 (or 701634 counting only the distinct ones).

The product of its digits is 53760, while the sum is 36.

The square root of 5127241644 is about 71604.7599255804. The cubic root of 5127241644 is about 1724.3599551114.

Adding to 5127241644 its reverse (4461427215), we get a palindrome (9588668859).

The spelling of 5127241644 in words is "five billion, one hundred twenty-seven million, two hundred forty-one thousand, six hundred forty-four".