26613140 has 24 divisors (see below), whose sum is σ = 56434560. Its totient is φ = 10541088.

The previous prime is 26613133. The next prime is 26613149. The reversal of 26613140 is 4131662.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26613149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4400 + ... + 8519.

It is an arithmetic number, because the mean of its divisors is an integer number (2351440).

Almost surely, 2^26613140 is an apocalyptic number.

26613140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26613140 is an abundant number, since it is smaller than the sum of its proper divisors (29821420).

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

26613140 is a wasteful number, since it uses less digits than its factorization.

26613140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13031 (or 13029 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 26613140 is about 5158.7924943731. The cubic root of 26613140 is about 298.5602869926.

The spelling of 26613140 in words is "twenty-six million, six hundred thirteen thousand, one hundred forty".