26663142 has 32 divisors (see below), whose sum is σ = 58650624. Its totient is φ = 8013600.

The previous prime is 26663129. The next prime is 26663171. The reversal of 26663142 is 24136662.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6792 + ... + 9972.

It is an arithmetic number, because the mean of its divisors is an integer number (1832832).

Almost surely, 2^26663142 is an apocalyptic number.

26663142 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 26663142, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29325312).

26663142 is an abundant number, since it is smaller than the sum of its proper divisors (31987482).

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

26663142 is a wasteful number, since it uses less digits than its factorization.

26663142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3324.

The product of its digits is 10368, while the sum is 30.

The square root of 26663142 is about 5163.6365092830. The cubic root of 26663142 is about 298.7471529756.

The spelling of 26663142 in words is "twenty-six million, six hundred sixty-three thousand, one hundred forty-two".