5177127440 has 20 divisors (see below), whose sum is σ = 12036821484. Its totient is φ = 2070850944.

The previous prime is 5177127437. The next prime is 5177127443. The reversal of 5177127440 is 447217715.

It is an interprime number because it is at equal distance from previous prime (5177127437) and next prime (5177127443).

It can be written as a sum of positive squares in 2 ways, for example, as 3045273856 + 2131853584 = 55184^2 + 46172^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a junction number, because it is equal to n+sod(n) for n = 5177127394 and 5177127403.

It is not an unprimeable number, because it can be changed into a prime (5177127443) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32356967 + ... + 32357126.

Almost surely, 2^5177127440 is an apocalyptic number.

It is an amenable number.

5177127440 is an abundant number, since it is smaller than the sum of its proper divisors (6859694044).

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

5177127440 is a wasteful number, since it uses less digits than its factorization.

5177127440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64714106 (or 64714100 counting only the distinct ones).

The product of its (nonzero) digits is 54880, while the sum is 38.

The square root of 5177127440 is about 71952.2580604667. The cubic root of 5177127440 is about 1729.9343354408.

The spelling of 5177127440 in words is "five billion, one hundred seventy-seven million, one hundred twenty-seven thousand, four hundred forty".