406740403332 has 36 divisors (see below), whose sum is σ = 1061315463936. Its totient is φ = 131206581360.

The previous prime is 406740403283. The next prime is 406740403357. The reversal of 406740403332 is 233304047604.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 182230248 + ... + 182232479.

Almost surely, 2^406740403332 is an apocalyptic number.

It is an amenable number.

406740403332 is an abundant number, since it is smaller than the sum of its proper divisors (654575060604).

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

406740403332 is a wasteful number, since it uses less digits than its factorization.

406740403332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 364462768 (or 364462763 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 36.

The spelling of 406740403332 in words is "four hundred six billion, seven hundred forty million, four hundred three thousand, three hundred thirty-two".