26260642 has 4 divisors (see below), whose sum is σ = 39390966. Its totient is φ = 13130320.

The previous prime is 26260621. The next prime is 26260657. The reversal of 26260642 is 24606262.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 24606262 = 2 ⋅12303131.

It can be written as a sum of positive squares in only one way, i.e., 14295961 + 11964681 = 3781^2 + 3459^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 26260642.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6565159 + ... + 6565162.

Almost surely, 2^26260642 is an apocalyptic number.

26260642 is a deficient number, since it is larger than the sum of its proper divisors (13130324).

26260642 is a wasteful number, since it uses less digits than its factorization.

26260642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13130323.

The product of its (nonzero) digits is 6912, while the sum is 28.

The square root of 26260642 is about 5124.5138305990. The cubic root of 26260642 is about 297.2362542548.

The spelling of 26260642 in words is "twenty-six million, two hundred sixty thousand, six hundred forty-two".