400542421311105 has 64 divisors (see below), whose sum is σ = 651987353122560. Its totient is φ = 209946370867200.

The previous prime is 400542421311089. The next prime is 400542421311107. The reversal of 400542421311105 is 501113124245004.

It is not a de Polignac number, because 400542421311105 - 2⁴ = 400542421311089 is a prime.

It is not an unprimeable number, because it can be changed into a prime (400542421311107) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 466167969 + ... + 467026401.

It is an arithmetic number, because the mean of its divisors is an integer number (10187302392540).

Almost surely, 2^{400542421311105} is an apocalyptic number.

It is an amenable number.

400542421311105 is a deficient number, since it is larger than the sum of its proper divisors (251444931811455).

400542421311105 is a wasteful number, since it uses less digits than its factorization.

400542421311105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 860642.

The product of its (nonzero) digits is 19200, while the sum is 33.

Adding to 400542421311105 its reverse (501113124245004), we get a palindrome (901655545556109).

The spelling of 400542421311105 in words is "four hundred trillion, five hundred forty-two billion, four hundred twenty-one million, three hundred eleven thousand, one hundred five".