400443416346411 has 6 divisors (see below), whose sum is σ = 578418268055940. Its totient is φ = 266962277564268.

The previous prime is 400443416346371. The next prime is 400443416346473. The reversal of 400443416346411 is 114643614344004.

400443416346411 is a `hidden beast` number, since 4 + 0 + 0 + 4 + 4 + 3 + 4 + 1 + 634 + 6 + 4 + 1 + 1 = 666.

It is not a de Polignac number, because 400443416346411 - 2⁹ = 400443416345899 is a prime.

It is not an unprimeable number, because it can be changed into a prime (400443416306411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 22246856463681 + ... + 22246856463698.

It is an arithmetic number, because the mean of its divisors is an integer number (96403044675990).

Almost surely, 2^{400443416346411} is an apocalyptic number.

400443416346411 is a deficient number, since it is larger than the sum of its proper divisors (177974851709529).

400443416346411 is a wasteful number, since it uses less digits than its factorization.

400443416346411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44493712927385 (or 44493712927382 counting only the distinct ones).

The product of its (nonzero) digits is 1327104, while the sum is 45.

The spelling of 400443416346411 in words is "four hundred trillion, four hundred forty-three billion, four hundred sixteen million, three hundred forty-six thousand, four hundred eleven".