26145858 has 16 divisors (see below), whose sum is σ = 52528896. Its totient is φ = 8675760.

The previous prime is 26145851. The next prime is 26145859. The reversal of 26145858 is 85854162.

It is not an unprimeable number, because it can be changed into a prime (26145851) 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, 8433 + ... + 11108.

It is an arithmetic number, because the mean of its divisors is an integer number (3283056).

Almost surely, 2^26145858 is an apocalyptic number.

26145858 is an abundant number, since it is smaller than the sum of its proper divisors (26383038).

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

26145858 is a wasteful number, since it uses less digits than its factorization.

26145858 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19769.

The product of its digits is 76800, while the sum is 39.

The square root of 26145858 is about 5113.3020642243. The cubic root of 26145858 is about 296.8025532991.

The spelling of 26145858 in words is "twenty-six million, one hundred forty-five thousand, eight hundred fifty-eight".