406009438036 has 6 divisors (see below), whose sum is σ = 710516516570. Its totient is φ = 203004719016.

The previous prime is 406009438033. The next prime is 406009438039. The reversal of 406009438036 is 630834900604.

It is an interprime number because it is at equal distance from previous prime (406009438033) and next prime (406009438039).

It can be written as a sum of positive squares in only one way, i.e., 362560536900 + 43448901136 = 602130^2 + 208444^2 .

It is a junction number, because it is equal to n+sod(n) for n = 406009437983 and 406009438001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (406009438033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50751179751 + ... + 50751179758.

Almost surely, 2^406009438036 is an apocalyptic number.

It is an amenable number.

406009438036 is a deficient number, since it is larger than the sum of its proper divisors (304507078534).

406009438036 is a wasteful number, since it uses less digits than its factorization.

406009438036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101502359513 (or 101502359511 counting only the distinct ones).

The product of its (nonzero) digits is 373248, while the sum is 43.

The spelling of 406009438036 in words is "four hundred six billion, nine million, four hundred thirty-eight thousand, thirty-six".