400743706336 has 24 divisors (see below), whose sum is σ = 789707843064. Its totient is φ = 200182984320.

The previous prime is 400743706327. The next prime is 400743706351. The reversal of 400743706336 is 633607347004.

It is a junction number, because it is equal to n+sod(n) for n = 400743706292 and 400743706301.

It is a congruent number.

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, 5867670 + ... + 5935573.

It is an arithmetic number, because the mean of its divisors is an integer number (32904493461).

Almost surely, 2^400743706336 is an apocalyptic number.

It is an amenable number.

400743706336 is a deficient number, since it is larger than the sum of its proper divisors (388964136728).

400743706336 is a wasteful number, since it uses less digits than its factorization.

400743706336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11804314 (or 11804306 counting only the distinct ones).

The product of its (nonzero) digits is 762048, while the sum is 43.

The spelling of 400743706336 in words is "four hundred billion, seven hundred forty-three million, seven hundred six thousand, three hundred thirty-six".