400002543316 has 12 divisors (see below), whose sum is σ = 711868933440. Its totient is φ = 196611419480.

The previous prime is 400002543287. The next prime is 400002543371. The reversal of 400002543316 is 613345200004.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 847462780 + ... + 847463251.

It is an arithmetic number, because the mean of its divisors is an integer number (59322411120).

Almost surely, 2^400002543316 is an apocalyptic number.

It is an amenable number.

400002543316 is a deficient number, since it is larger than the sum of its proper divisors (311866390124).

400002543316 is a wasteful number, since it uses less digits than its factorization.

400002543316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1694926094 (or 1694926092 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 28.

The spelling of 400002543316 in words is "four hundred billion, two million, five hundred forty-three thousand, three hundred sixteen".