26137242 has 20 divisors (see below), whose sum is σ = 58567146. Its totient is φ = 8712360.

The previous prime is 26137193. The next prime is 26137259. The reversal of 26137242 is 24273162.

26137242 is a `hidden beast` number, since 2 + 613 + 7 + 2 + 42 = 666.

It can be written as a sum of positive squares in only one way, i.e., 25310961 + 826281 = 5031^2 + 909^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

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 9 ways as a sum of consecutive naturals, for example, 80509 + ... + 80832.

Almost surely, 2^26137242 is an apocalyptic number.

26137242 is an abundant number, since it is smaller than the sum of its proper divisors (32429904).

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

26137242 is a wasteful number, since it uses less digits than its factorization.

26137242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161355 (or 161346 counting only the distinct ones).

The product of its digits is 4032, while the sum is 27.

The square root of 26137242 is about 5112.4594863920. The cubic root of 26137242 is about 296.7699473474.

The spelling of 26137242 in words is "twenty-six million, one hundred thirty-seven thousand, two hundred forty-two".