2556105458 has 8 divisors (see below), whose sum is σ = 3834390252. Its totient is φ = 1277975376.

The previous prime is 2556105451. The next prime is 2556105547. The reversal of 2556105458 is 8545016552.

It can be written as a sum of positive squares in 2 ways, for example, as 2517329929 + 38775529 = 50173^2 + 6227^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×2556105458² = 13067350224834779528, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2556105451) 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, 21116 + ... + 74552.

Almost surely, 2^2556105458 is an apocalyptic number.

2556105458 is a deficient number, since it is larger than the sum of its proper divisors (1278284794).

2556105458 is a wasteful number, since it uses less digits than its factorization.

2556105458 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77356.

The product of its (nonzero) digits is 240000, while the sum is 41.

The square root of 2556105458 is about 50557.9415918014. The cubic root of 2556105458 is about 1367.2866997286.

The spelling of 2556105458 in words is "two billion, five hundred fifty-six million, one hundred five thousand, four hundred fifty-eight".