400403336738 has 8 divisors (see below), whose sum is σ = 600690497232. Its totient is φ = 200173170996.

The previous prime is 400403336737. The next prime is 400403336779. The reversal of 400403336738 is 837633304004.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 400403336695 and 400403336704.

It is not an unprimeable number, because it can be changed into a prime (400403336737) 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 3 ways as a sum of consecutive naturals, for example, 14231120 + ... + 14259227.

It is an arithmetic number, because the mean of its divisors is an integer number (75086312154).

Almost surely, 2^400403336738 is an apocalyptic number.

400403336738 is a deficient number, since it is larger than the sum of its proper divisors (200287160494).

400403336738 is a wasteful number, since it uses less digits than its factorization.

400403336738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28497376.

The product of its (nonzero) digits is 435456, while the sum is 41.

The spelling of 400403336738 in words is "four hundred billion, four hundred three million, three hundred thirty-six thousand, seven hundred thirty-eight".