5581258420 has 12 divisors (see below), whose sum is σ = 11720642724. Its totient is φ = 2232503360.

The previous prime is 5581258411. The next prime is 5581258421. The reversal of 5581258420 is 248521855.

It can be written as a sum of positive squares in 2 ways, for example, as 1869524644 + 3711733776 = 43238^2 + 60924^2 .

It is a super-3 number, since 3×5581258420³ (a number of 30 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5581258421) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 139531441 + ... + 139531480.

It is an arithmetic number, because the mean of its divisors is an integer number (976720227).

Almost surely, 2^5581258420 is an apocalyptic number.

It is an amenable number.

5581258420 is an abundant number, since it is smaller than the sum of its proper divisors (6139384304).

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

5581258420 is a wasteful number, since it uses less digits than its factorization.

5581258420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 279062930 (or 279062928 counting only the distinct ones).

The product of its (nonzero) digits is 128000, while the sum is 40.

The square root of 5581258420 is about 74707.8203403098. The cubic root of 5581258420 is about 1773.8247508221.

The spelling of 5581258420 in words is "five billion, five hundred eighty-one million, two hundred fifty-eight thousand, four hundred twenty".