26514642 has 64 divisors (see below), whose sum is σ = 68428800. Its totient is φ = 6646080.

The previous prime is 26514637. The next prime is 26514643. The reversal of 26514642 is 24641562.

It is not an unprimeable number, because it can be changed into a prime (26514643) 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 31 ways as a sum of consecutive naturals, for example, 12409 + ... + 14387.

It is an arithmetic number, because the mean of its divisors is an integer number (1069200).

Almost surely, 2^26514642 is an apocalyptic number.

26514642 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 26514642, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34214400).

26514642 is an abundant number, since it is smaller than the sum of its proper divisors (41914158).

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

26514642 is a wasteful number, since it uses less digits than its factorization.

26514642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2031.

The product of its digits is 11520, while the sum is 30.

The square root of 26514642 is about 5149.2370308620. The cubic root of 26514642 is about 298.1914974133.

Subtracting from 26514642 its reverse (24641562), we obtain a triangular number (1873080 = T₁₉₃₅).

The spelling of 26514642 in words is "twenty-six million, five hundred fourteen thousand, six hundred forty-two".