26624140 has 12 divisors (see below), whose sum is σ = 55910736. Its totient is φ = 10649648.

The previous prime is 26624107. The next prime is 26624141. The reversal of 26624140 is 4142662.

It is not an unprimeable number, because it can be changed into a prime (26624141) 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, 665584 + ... + 665623.

It is an arithmetic number, because the mean of its divisors is an integer number (4659228).

Almost surely, 2^26624140 is an apocalyptic number.

26624140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26624140 is an abundant number, since it is smaller than the sum of its proper divisors (29286596).

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

26624140 is a wasteful number, since it uses less digits than its factorization.

26624140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1331216 (or 1331214 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 25.

The square root of 26624140 is about 5159.8585251923. The cubic root of 26624140 is about 298.6014159334.

The spelling of 26624140 in words is "twenty-six million, six hundred twenty-four thousand, one hundred forty".