26061000405 has 16 divisors (see below), whose sum is σ = 45488291904. Its totient is φ = 12635636480.

The previous prime is 26061000403. The next prime is 26061000409. The reversal of 26061000405 is 50400016062.

It is not a de Polignac number, because 26061000405 - 2¹ = 26061000403 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26061000403) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 78972564 + ... + 78972893.

It is an arithmetic number, because the mean of its divisors is an integer number (2843018244).

Almost surely, 2^26061000405 is an apocalyptic number.

It is an amenable number.

26061000405 is a deficient number, since it is larger than the sum of its proper divisors (19427291499).

26061000405 is a wasteful number, since it uses less digits than its factorization.

26061000405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157945476.

The product of its (nonzero) digits is 1440, while the sum is 24.

Adding to 26061000405 its reverse (50400016062), we get a palindrome (76461016467).

The spelling of 26061000405 in words is "twenty-six billion, sixty-one million, four hundred five", and thus it is an aban number.