26195985 has 24 divisors (see below), whose sum is σ = 45525480. Its totient is φ = 13934592.

The previous prime is 26195971. The next prime is 26195989. The reversal of 26195985 is 58959162.

It can be written as a sum of positive squares in 4 ways, for example, as 2692881 + 23503104 = 1641^2 + 4848^2 .

It is not a de Polignac number, because 26195985 - 2⁷ = 26195857 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 26195985.

It is not an unprimeable number, because it can be changed into a prime (26195989) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 33681 + ... + 34449.

It is an arithmetic number, because the mean of its divisors is an integer number (1896895).

Almost surely, 2^26195985 is an apocalyptic number.

It is an amenable number.

26195985 is a deficient number, since it is larger than the sum of its proper divisors (19329495).

26195985 is a wasteful number, since it uses less digits than its factorization.

26195985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1537 (or 1534 counting only the distinct ones).

The product of its digits is 194400, while the sum is 45.

The square root of 26195985 is about 5118.2013442224. The cubic root of 26195985 is about 296.9921094390.

The spelling of 26195985 in words is "twenty-six million, one hundred ninety-five thousand, nine hundred eighty-five".