2558421136 has 40 divisors (see below), whose sum is σ = 5222076480. Its totient is φ = 1210898304.

The previous prime is 2558421127. The next prime is 2558421143. The reversal of 2558421136 is 6311248552.

It is a junction number, because it is equal to n+sod(n) for n = 2558421095 and 2558421104.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 485910 + ... + 491146.

It is an arithmetic number, because the mean of its divisors is an integer number (130551912).

Almost surely, 2^2558421136 is an apocalyptic number.

It is an amenable number.

2558421136 is an abundant number, since it is smaller than the sum of its proper divisors (2663655344).

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

2558421136 is a wasteful number, since it uses less digits than its factorization.

2558421136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6871 (or 6865 counting only the distinct ones).

The product of its digits is 57600, while the sum is 37.

The square root of 2558421136 is about 50580.8376364014. The cubic root of 2558421136 is about 1367.6994683116.

Adding to 2558421136 its reverse (6311248552), we get a palindrome (8869669688).

The spelling of 2558421136 in words is "two billion, five hundred fifty-eight million, four hundred twenty-one thousand, one hundred thirty-six".