26945140 has 24 divisors (see below), whose sum is σ = 56754432. Its totient is φ = 10745760.

The previous prime is 26945131. The next prime is 26945141. The reversal of 26945140 is 4154962.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26945141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5505 + ... + 9175.

It is an arithmetic number, because the mean of its divisors is an integer number (2364768).

Almost surely, 2^26945140 is an apocalyptic number.

26945140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26945140 is an abundant number, since it is smaller than the sum of its proper divisors (29809292).

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

26945140 is a wasteful number, since it uses less digits than its factorization.

26945140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4047 (or 4045 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 26945140 is about 5190.8708325290. The cubic root of 26945140 is about 299.7966770452.

The spelling of 26945140 in words is "twenty-six million, nine hundred forty-five thousand, one hundred forty".