400606165047 has 16 divisors (see below), whose sum is σ = 582711345792. Its totient is φ = 242786836320.

The previous prime is 400606165007. The next prime is 400606165051. The reversal of 400606165047 is 740561606004.

It is not a de Polignac number, because 400606165047 - 2¹² = 400606160951 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 400606164996 and 400606165014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (400606165007) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2335308 + ... + 2500974.

It is an arithmetic number, because the mean of its divisors is an integer number (36419459112).

Almost surely, 2^400606165047 is an apocalyptic number.

400606165047 is a deficient number, since it is larger than the sum of its proper divisors (182105180745).

400606165047 is a wasteful number, since it uses less digits than its factorization.

400606165047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 238958.

The product of its (nonzero) digits is 120960, while the sum is 39.

The spelling of 400606165047 in words is "four hundred billion, six hundred six million, one hundred sixty-five thousand, forty-seven".