526276240 has 80 divisors (see below), whose sum is σ = 1408659840. Its totient is φ = 179112960.

The previous prime is 526276213. The next prime is 526276277. The reversal of 526276240 is 42672625.

It is a tau number, because it is divible by the number of its divisors (80).

It is a junction number, because it is equal to n+sod(n) for n = 526276196 and 526276205.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 74460 + ... + 81220.

It is an arithmetic number, because the mean of its divisors is an integer number (17608248).

Almost surely, 2^526276240 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 526276240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (704329920).

526276240 is an abundant number, since it is smaller than the sum of its proper divisors (882383600).

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

526276240 is a wasteful number, since it uses less digits than its factorization.

526276240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6920 (or 6914 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 34.

The square root of 526276240 is about 22940.7114100675. The cubic root of 526276240 is about 807.3674836140.

The spelling of 526276240 in words is "five hundred twenty-six million, two hundred seventy-six thousand, two hundred forty".