2558091380 has 24 divisors (see below), whose sum is σ = 5785222632. Its totient is φ = 944525952.

The previous prime is 2558091377. The next prime is 2558091383. The reversal of 2558091380 is 831908552.

It is an interprime number because it is at equal distance from previous prime (2558091377) and next prime (2558091383).

It can be written as a sum of positive squares in 4 ways, for example, as 15713296 + 2542378084 = 3964^2 + 50422^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2558091383) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4919147 + ... + 4919666.

It is an arithmetic number, because the mean of its divisors is an integer number (241050943).

Almost surely, 2^2558091380 is an apocalyptic number.

2558091380 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2558091380 is an abundant number, since it is smaller than the sum of its proper divisors (3227131252).

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

2558091380 is a wasteful number, since it uses less digits than its factorization.

2558091380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9838835 (or 9838833 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 41.

The square root of 2558091380 is about 50577.5778384058. The cubic root of 2558091380 is about 1367.6407046627.

The spelling of 2558091380 in words is "two billion, five hundred fifty-eight million, ninety-one thousand, three hundred eighty".