26990242 has 16 divisors (see below), whose sum is σ = 43016760. Its totient is φ = 12676608.

The previous prime is 26990239. The next prime is 26990251. The reversal of 26990242 is 24209962.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 26739241 + 251001 = 5171^2 + 501^2 .

It is a junction number, because it is equal to n+sod(n) for n = 26990198 and 26990207.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4143 + ... + 8434.

Almost surely, 2^26990242 is an apocalyptic number.

26990242 is a deficient number, since it is larger than the sum of its proper divisors (16026518).

26990242 is a wasteful number, since it uses less digits than its factorization.

26990242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12645.

The product of its (nonzero) digits is 15552, while the sum is 34.

The square root of 26990242 is about 5195.2133738664. The cubic root of 26990242 is about 299.9638549045.

The spelling of 26990242 in words is "twenty-six million, nine hundred ninety thousand, two hundred forty-two".