406720540376 has 32 divisors (see below), whose sum is σ = 764551710000. Its totient is φ = 202840450176.

The previous prime is 406720540363. The next prime is 406720540403. The reversal of 406720540376 is 673045027604.

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, 9501710 + ... + 9544418.

Almost surely, 2^406720540376 is an apocalyptic number.

It is an amenable number.

406720540376 is a deficient number, since it is larger than the sum of its proper divisors (357831169624).

406720540376 is a wasteful number, since it uses less digits than its factorization.

406720540376 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45731 (or 45727 counting only the distinct ones).

The product of its (nonzero) digits is 846720, while the sum is 44.

The spelling of 406720540376 in words is "four hundred six billion, seven hundred twenty million, five hundred forty thousand, three hundred seventy-six".