5260401220 has 12 divisors (see below), whose sum is σ = 11046842604. Its totient is φ = 2104160480.

The previous prime is 5260401187. The next prime is 5260401241. The reversal of 5260401220 is 221040625.

It can be written as a sum of positive squares in 2 ways, for example, as 2853910084 + 2406491136 = 53422^2 + 49056^2 .

It is a junction number, because it is equal to n+sod(n) for n = 5260401191 and 5260401200.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 131510011 + ... + 131510050.

It is an arithmetic number, because the mean of its divisors is an integer number (920570217).

Almost surely, 2^5260401220 is an apocalyptic number.

It is an amenable number.

5260401220 is an abundant number, since it is smaller than the sum of its proper divisors (5786441384).

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

5260401220 is a wasteful number, since it uses less digits than its factorization.

5260401220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 263020070 (or 263020068 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 5260401220 is about 72528.6234530892. The cubic root of 5260401220 is about 1739.1603404617.

Adding to 5260401220 its reverse (221040625), we get a palindrome (5481441845).

The spelling of 5260401220 in words is "five billion, two hundred sixty million, four hundred one thousand, two hundred twenty".