26430232015 has 16 divisors (see below), whose sum is σ = 35534702880. Its totient is φ = 18702472320.

The previous prime is 26430232013. The next prime is 26430232051. The reversal of 26430232015 is 51023203462.

It is not a de Polignac number, because 26430232015 - 2¹ = 26430232013 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26430232013) 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, 6491880 + ... + 6495949.

It is an arithmetic number, because the mean of its divisors is an integer number (2220918930).

Almost surely, 2^26430232015 is an apocalyptic number.

26430232015 is a deficient number, since it is larger than the sum of its proper divisors (9104470865).

26430232015 is a wasteful number, since it uses less digits than its factorization.

26430232015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12987882.

The product of its (nonzero) digits is 8640, while the sum is 28.

Adding to 26430232015 its reverse (51023203462), we get a palindrome (77453435477).

The spelling of 26430232015 in words is "twenty-six billion, four hundred thirty million, two hundred thirty-two thousand, fifteen".