5261620026 has 32 divisors (see below), whose sum is σ = 11518512768. Its totient is φ = 1592418240.

The previous prime is 5261620019. The next prime is 5261620027. The reversal of 5261620026 is 6200261625.

It is a junction number, because it is equal to n+sod(n) for n = 5261619975 and 5261620002.

It is not an unprimeable number, because it can be changed into a prime (5261620027) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 548166 + ... + 557681.

It is an arithmetic number, because the mean of its divisors is an integer number (359953524).

Almost surely, 2^5261620026 is an apocalyptic number.

5261620026 is an abundant number, since it is smaller than the sum of its proper divisors (6256892742).

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

5261620026 is a wasteful number, since it uses less digits than its factorization.

5261620026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1105926.

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 5261620026 is about 72537.0252078206. The cubic root of 5261620026 is about 1739.2946480479.

The spelling of 5261620026 in words is "five billion, two hundred sixty-one million, six hundred twenty thousand, twenty-six".