400061416811 has 32 divisors (see below), whose sum is σ = 464666388480. Its totient is φ = 337362372864.

The previous prime is 400061416759. The next prime is 400061416829. The reversal of 400061416811 is 118614160004.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-400061416811 is a prime.

It is not an unprimeable number, because it can be changed into a prime (400061416831) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 150228266 + ... + 150230928.

It is an arithmetic number, because the mean of its divisors is an integer number (14520824640).

Almost surely, 2^400061416811 is an apocalyptic number.

400061416811 is a deficient number, since it is larger than the sum of its proper divisors (64604971669).

400061416811 is a wasteful number, since it uses less digits than its factorization.

400061416811 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3875.

The product of its (nonzero) digits is 4608, while the sum is 32.

Adding to 400061416811 its reverse (118614160004), we get a palindrome (518675576815).

The spelling of 400061416811 in words is "four hundred billion, sixty-one million, four hundred sixteen thousand, eight hundred eleven".