26240401 has 16 divisors (see below), whose sum is σ = 31632768. Its totient is φ = 21472000.

The previous prime is 26240399. The next prime is 26240407. The reversal of 26240401 is 10404262.

It is not a de Polignac number, because 26240401 - 2¹ = 26240399 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26240407) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1251 + ... + 7351.

It is an arithmetic number, because the mean of its divisors is an integer number (1977048).

Almost surely, 2^26240401 is an apocalyptic number.

It is an amenable number.

26240401 is a deficient number, since it is larger than the sum of its proper divisors (5392367).

26240401 is a wasteful number, since it uses less digits than its factorization.

26240401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6152.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 26240401 is about 5122.5385308458. The cubic root of 26240401 is about 297.1598673760.

Adding to 26240401 its reverse (10404262), we get a palindrome (36644663).

The spelling of 26240401 in words is "twenty-six million, two hundred forty thousand, four hundred one".