26431030 has 16 divisors (see below), whose sum is σ = 48179520. Its totient is φ = 10438272.

The previous prime is 26431001. The next prime is 26431049. The reversal of 26431030 is 3013462.

It is a junction number, because it is equal to n+sod(n) for n = 26430989 and 26431007.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15939 + ... + 17518.

It is an arithmetic number, because the mean of its divisors is an integer number (3011220).

Almost surely, 2^26431030 is an apocalyptic number.

26431030 is a deficient number, since it is larger than the sum of its proper divisors (21748490).

26431030 is a wasteful number, since it uses less digits than its factorization.

26431030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33543.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 26431030 is about 5141.1117474725. Note that the first 3 decimals coincide. The cubic root of 26431030 is about 297.8777256115.

Adding to 26431030 its reverse (3013462), we get a palindrome (29444492).

It can be divided in two parts, 26 and 431030, that added together give a triangular number (431056 = T₉₂₈).

The spelling of 26431030 in words is "twenty-six million, four hundred thirty-one thousand, thirty".