26121330 has 48 divisors (see below), whose sum is σ = 70873920. Its totient is φ = 6662304.

The previous prime is 26121323. The next prime is 26121341. The reversal of 26121330 is 3312162.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4240 + ... + 8379.

It is an arithmetic number, because the mean of its divisors is an integer number (1476540).

Almost surely, 2^26121330 is an apocalyptic number.

26121330 is an abundant number, since it is smaller than the sum of its proper divisors (44752590).

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

26121330 is a wasteful number, since it uses less digits than its factorization.

26121330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12655 (or 12652 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 26121330 is about 5110.9030513208. The cubic root of 26121330 is about 296.7097119433.

Adding to 26121330 its reverse (3312162), we get a palindrome (29433492).

The spelling of 26121330 in words is "twenty-six million, one hundred twenty-one thousand, three hundred thirty".