8000450401 has 4 divisors (see below), whose sum is σ = 8034787332. Its totient is φ = 7966113472.

The previous prime is 8000450399. The next prime is 8000450407. The reversal of 8000450401 is 1040540008.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4474941025 + 3525509376 = 66895^2 + 59376^2 .

It is a cyclic number.

It is not a de Polignac number, because 8000450401 - 2¹ = 8000450399 is a prime.

It is a super-2 number, since 2×8000450401² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8000450407) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17168116 + ... + 17168581.

It is an arithmetic number, because the mean of its divisors is an integer number (2008696833).

Almost surely, 2^8000450401 is an apocalyptic number.

It is an amenable number.

8000450401 is a deficient number, since it is larger than the sum of its proper divisors (34336931).

8000450401 is a wasteful number, since it uses less digits than its factorization.

8000450401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34336930.

The product of its (nonzero) digits is 640, while the sum is 22.

The square root of 8000450401 is about 89445.2368826871. The cubic root of 8000450401 is about 2000.0375327123.

Adding to 8000450401 its reverse (1040540008), we get a palindrome (9040990409).

The spelling of 8000450401 in words is "eight billion, four hundred fifty thousand, four hundred one".