5261727240 has 192 divisors, whose sum is σ = 21320357760. Its totient is φ = 1093340160.

The previous prime is 5261727223. The next prime is 5261727301. The reversal of 5261727240 is 427271625.

It is a happy number.

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 = 5261727195 and 5261727204.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 67189 + ... + 122628.

It is an arithmetic number, because the mean of its divisors is an integer number (111043530).

Almost surely, 2^5261727240 is an apocalyptic number.

It is an amenable number.

5261727240 is an abundant number, since it is smaller than the sum of its proper divisors (16058630520).

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

5261727240 is a wasteful number, since it uses less digits than its factorization.

5261727240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 189852 (or 189845 counting only the distinct ones).

The product of its (nonzero) digits is 47040, while the sum is 36.

The square root of 5261727240 is about 72537.7642335356. The cubic root of 5261727240 is about 1739.3064616128.

Adding to 5261727240 its reverse (427271625), we get a palindrome (5688998865).

The spelling of 5261727240 in words is "five billion, two hundred sixty-one million, seven hundred twenty-seven thousand, two hundred forty".