26040242 has 4 divisors (see below), whose sum is σ = 39060366. Its totient is φ = 13020120.

The previous prime is 26040233. The next prime is 26040247. The reversal of 26040242 is 24204062.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 24810361 + 1229881 = 4981^2 + 1109^2 .

It is not an unprimeable number, because it can be changed into a prime (26040247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6510059 + ... + 6510062.

Almost surely, 2^26040242 is an apocalyptic number.

26040242 is a deficient number, since it is larger than the sum of its proper divisors (13020124).

26040242 is a wasteful number, since it uses less digits than its factorization.

26040242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13020123.

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 26040242 is about 5102.9640406336. The cubic root of 26040242 is about 296.4023700625.

The spelling of 26040242 in words is "twenty-six million, forty thousand, two hundred forty-two".