26420051 has 8 divisors (see below), whose sum is σ = 31783680. Its totient is φ = 21453768.

The previous prime is 26420047. The next prime is 26420059. The reversal of 26420051 is 15002462.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 26420051 - 2² = 26420047 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26420059) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 99191 + ... + 99456.

It is an arithmetic number, because the mean of its divisors is an integer number (3972960).

Almost surely, 2^26420051 is an apocalyptic number.

26420051 is a deficient number, since it is larger than the sum of its proper divisors (5363629).

26420051 is a wasteful number, since it uses less digits than its factorization.

26420051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198673.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 26420051 is about 5140.0438714081. The cubic root of 26420051 is about 297.8364754537.

The spelling of 26420051 in words is "twenty-six million, four hundred twenty thousand, fifty-one".