26440104 has 16 divisors (see below), whose sum is σ = 66100320. Its totient is φ = 8813360.

The previous prime is 26440103. The next prime is 26440129. The reversal of 26440104 is 40104462.

It is not an unprimeable number, because it can be changed into a prime (26440103) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 550812 + ... + 550859.

It is an arithmetic number, because the mean of its divisors is an integer number (4131270).

Almost surely, 2^26440104 is an apocalyptic number.

26440104 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

26440104 is an abundant number, since it is smaller than the sum of its proper divisors (39660216).

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

26440104 is a wasteful number, since it uses less digits than its factorization.

26440104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1101680 (or 1101676 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 26440104 is about 5141.9941656910. The cubic root of 26440104 is about 297.9118097067.

Adding to 26440104 its reverse (40104462), we get a palindrome (66544566).

The spelling of 26440104 in words is "twenty-six million, four hundred forty thousand, one hundred four".