406237064438 has 16 divisors (see below), whose sum is σ = 617347325760. Its totient is φ = 200456942400.

The previous prime is 406237064377. The next prime is 406237064503. The reversal of 406237064438 is 834460732604.

It is a junction number, because it is equal to n+sod(n) for n = 406237064392 and 406237064401.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 227903 + ... + 929738.

It is an arithmetic number, because the mean of its divisors is an integer number (38584207860).

Almost surely, 2^406237064438 is an apocalyptic number.

406237064438 is a deficient number, since it is larger than the sum of its proper divisors (211110261322).

406237064438 is a wasteful number, since it uses less digits than its factorization.

406237064438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1159943.

The product of its (nonzero) digits is 2322432, while the sum is 47.

The spelling of 406237064438 in words is "four hundred six billion, two hundred thirty-seven million, sixty-four thousand, four hundred thirty-eight".