400317423706 has 4 divisors (see below), whose sum is σ = 600476135562. Its totient is φ = 200158711852.

The previous prime is 400317423703. The next prime is 400317423743. The reversal of 400317423706 is 607324713004.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 340688179225 + 59629244481 = 583685^2 + 244191^2 .

It is a super-4 number, since 4×400317423706⁴ (a number of 48 digits) contains 4444 as substring.

It is not an unprimeable number, because it can be changed into a prime (400317423703) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100079355925 + ... + 100079355928.

Almost surely, 2^400317423706 is an apocalyptic number.

400317423706 is a deficient number, since it is larger than the sum of its proper divisors (200158711856).

400317423706 is a wasteful number, since it uses less digits than its factorization.

400317423706 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200158711855.

The product of its (nonzero) digits is 84672, while the sum is 37.

The spelling of 400317423706 in words is "four hundred billion, three hundred seventeen million, four hundred twenty-three thousand, seven hundred six".