400011044516 has 12 divisors (see below), whose sum is σ = 700492004940. Its totient is φ = 199870471680.

The previous prime is 400011044509. The next prime is 400011044557. The reversal of 400011044516 is 615440110004.

It can be written as a sum of positive squares in 2 ways, for example, as 208578543616 + 191432500900 = 456704^2 + 437530^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33755981 + ... + 33767828.

It is an arithmetic number, because the mean of its divisors is an integer number (58374333745).

Almost surely, 2^400011044516 is an apocalyptic number.

It is an amenable number.

400011044516 is a deficient number, since it is larger than the sum of its proper divisors (300480960424).

400011044516 is a wasteful number, since it uses less digits than its factorization.

400011044516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67525294 (or 67525292 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 26.

The spelling of 400011044516 in words is "four hundred billion, eleven million, forty-four thousand, five hundred sixteen".