400231004240011 has 32 divisors (see below), whose sum is σ = 469017523836288. Its totient is φ = 334430046812160.

The previous prime is 400231004239973. The next prime is 400231004240027. The reversal of 400231004240011 is 110042400132004.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-400231004240011 is a prime.

It is not an unprimeable number, because it can be changed into a prime (400231004244011) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3456377331 + ... + 3456493123.

It is an arithmetic number, because the mean of its divisors is an integer number (14656797619884).

Almost surely, 2^{400231004240011} is an apocalyptic number.

400231004240011 is a deficient number, since it is larger than the sum of its proper divisors (68786519596277).

400231004240011 is a wasteful number, since it uses less digits than its factorization.

400231004240011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175351.

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 400231004240011 its reverse (110042400132004), we get a palindrome (510273404372015).

The spelling of 400231004240011 in words is "four hundred trillion, two hundred thirty-one billion, four million, two hundred forty thousand, eleven".