2400206401 has 4 divisors (see below), whose sum is σ = 2419105792. Its totient is φ = 2381307012.

The previous prime is 2400206399. The next prime is 2400206411. The reversal of 2400206401 is 1046020042.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2400206401 - 2¹ = 2400206399 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2400206411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9449505 + ... + 9449758.

It is an arithmetic number, because the mean of its divisors is an integer number (604776448).

Almost surely, 2^2400206401 is an apocalyptic number.

It is an amenable number.

2400206401 is a deficient number, since it is larger than the sum of its proper divisors (18899391).

2400206401 is a wasteful number, since it uses less digits than its factorization.

2400206401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18899390.

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

The square root of 2400206401 is about 48991.9013817590. The cubic root of 2400206401 is about 1338.9042800726.

Adding to 2400206401 its reverse (1046020042), we get a palindrome (3446226443).

The spelling of 2400206401 in words is "two billion, four hundred million, two hundred six thousand, four hundred one".