2604040401 has 16 divisors (see below), whose sum is σ = 3507989760. Its totient is φ = 1718130960.

The previous prime is 2604040391. The next prime is 2604040403. The reversal of 2604040401 is 1040404062.

It is not a de Polignac number, because 2604040401 - 2⁶ = 2604040337 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2604040403) 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, 140206 + ... + 157688.

It is an arithmetic number, because the mean of its divisors is an integer number (219249360).

Almost surely, 2^2604040401 is an apocalyptic number.

It is an amenable number.

2604040401 is a deficient number, since it is larger than the sum of its proper divisors (903949359).

2604040401 is a wasteful number, since it uses less digits than its factorization.

2604040401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17996.

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 2604040401 is about 51029.7991471650. The cubic root of 2604040401 is about 1375.7807842776.

Adding to 2604040401 its reverse (1040404062), we get a palindrome (3644444463).

The spelling of 2604040401 in words is "two billion, six hundred four million, forty thousand, four hundred one".