400241102011 has 4 divisors (see below), whose sum is σ = 400251950224. Its totient is φ = 400230253800.

The previous prime is 400241101901. The next prime is 400241102069. The reversal of 400241102011 is 110201142004.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-400241102011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (400241102411) 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, 5368575 + ... + 5442616.

It is an arithmetic number, because the mean of its divisors is an integer number (100062987556).

Almost surely, 2^400241102011 is an apocalyptic number.

400241102011 is a deficient number, since it is larger than the sum of its proper divisors (10848213).

400241102011 is a wasteful number, since it uses less digits than its factorization.

400241102011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10848212.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 400241102011 its reverse (110201142004), we get a palindrome (510442244015).

The spelling of 400241102011 in words is "four hundred billion, two hundred forty-one million, one hundred two thousand, eleven".