5166423240 has 128 divisors (see below), whose sum is σ = 16925414400. Its totient is φ = 1251198720.

The previous prime is 5166423221. The next prime is 5166423259. The reversal of 5166423240 is 423246615.

It is an interprime number because it is at equal distance from previous prime (5166423221) and next prime (5166423259).

It is a Harshad number since it is a multiple of its sum of digits (33).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2479239 + ... + 2481321.

It is an arithmetic number, because the mean of its divisors is an integer number (132229800).

Almost surely, 2^5166423240 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5166423240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8462707200).

5166423240 is an abundant number, since it is smaller than the sum of its proper divisors (11758991160).

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

5166423240 is a wasteful number, since it uses less digits than its factorization.

5166423240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3987 (or 3983 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 33.

The square root of 5166423240 is about 71877.8355266768. The cubic root of 5166423240 is about 1728.7412452391.

Adding to 5166423240 its reverse (423246615), we get a palindrome (5589669855).

The spelling of 5166423240 in words is "five billion, one hundred sixty-six million, four hundred twenty-three thousand, two hundred forty".