26612140 has 48 divisors (see below), whose sum is σ = 61236000. Its totient is φ = 9669632.

The previous prime is 26612137. The next prime is 26612143. The reversal of 26612140 is 4121662.

It is an interprime number because it is at equal distance from previous prime (26612137) and next prime (26612143).

It is not an unprimeable number, because it can be changed into a prime (26612143) 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 15 ways as a sum of consecutive naturals, for example, 8511 + ... + 11209.

It is an arithmetic number, because the mean of its divisors is an integer number (1275750).

Almost surely, 2^26612140 is an apocalyptic number.

26612140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 26612140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30618000).

26612140 is an abundant number, since it is smaller than the sum of its proper divisors (34623860).

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

26612140 is a wasteful number, since it uses less digits than its factorization.

26612140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2754 (or 2752 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 26612140 is about 5158.6955715568. The cubic root of 26612140 is about 298.5565474361.

The spelling of 26612140 in words is "twenty-six million, six hundred twelve thousand, one hundred forty".