400004545101 has 16 divisors (see below), whose sum is σ = 609719606400. Its totient is φ = 228503199168.

The previous prime is 400004545093. The next prime is 400004545111. The reversal of 400004545101 is 101545400004.

It is a happy number.

It is not a de Polignac number, because 400004545101 - 2³ = 400004545093 is a prime.

It is a super-2 number, since 2×400004545101² (a number of 24 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (400004545111) 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, 2881686 + ... + 3017303.

It is an arithmetic number, because the mean of its divisors is an integer number (38107475400).

Almost surely, 2^400004545101 is an apocalyptic number.

It is an amenable number.

400004545101 is a deficient number, since it is larger than the sum of its proper divisors (209715061299).

400004545101 is a wasteful number, since it uses less digits than its factorization.

400004545101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5902228.

The product of its (nonzero) digits is 1600, while the sum is 24.

Adding to 400004545101 its reverse (101545400004), we get a palindrome (501549945105).

The spelling of 400004545101 in words is "four hundred billion, four million, five hundred forty-five thousand, one hundred one".