26140542 has 32 divisors (see below), whose sum is σ = 56937600. Its totient is φ = 7969248.

The previous prime is 26140531. The next prime is 26140549. The reversal of 26140542 is 24504162.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26140549) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 648 + ... + 7259.

It is an arithmetic number, because the mean of its divisors is an integer number (1779300).

Almost surely, 2^26140542 is an apocalyptic number.

26140542 is an abundant number, since it is smaller than the sum of its proper divisors (30797058).

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

26140542 is a wasteful number, since it uses less digits than its factorization.

26140542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7960.

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 26140542 is about 5112.7822171495. The cubic root of 26140542 is about 296.7824365459.

The spelling of 26140542 in words is "twenty-six million, one hundred forty thousand, five hundred forty-two".