8406071406 has 16 divisors (see below), whose sum is σ = 18680158800. Its totient is φ = 2802023784.

The previous prime is 8406071381. The next prime is 8406071423. The reversal of 8406071406 is 6041706048.

8406071406 is a `hidden beast` number, since 8 + 4 + 0 + 607 + 1 + 40 + 6 = 666.

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, 77833941 + ... + 77834048.

It is an arithmetic number, because the mean of its divisors is an integer number (1167509925).

Almost surely, 2^8406071406 is an apocalyptic number.

8406071406 is an abundant number, since it is smaller than the sum of its proper divisors (10274087394).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8406071406 is a wasteful number, since it uses less digits than its factorization.

8406071406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155668000 (or 155667994 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 36.

The square root of 8406071406 is about 91684.6301514054. The cubic root of 8406071406 is about 2033.2823540087.

The spelling of 8406071406 in words is "eight billion, four hundred six million, seventy-one thousand, four hundred six".