406531444596 has 96 divisors (see below), whose sum is σ = 1017661252608. Its totient is φ = 125855331840.

The previous prime is 406531444591. The next prime is 406531444597. The reversal of 406531444596 is 695444135604.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (406531444591) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14937361 + ... + 14964551.

It is an arithmetic number, because the mean of its divisors is an integer number (10600638048).

Almost surely, 2^406531444596 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 406531444596, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (508830626304).

406531444596 is an abundant number, since it is smaller than the sum of its proper divisors (611129808012).

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

406531444596 is a wasteful number, since it uses less digits than its factorization.

406531444596 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28181 (or 28179 counting only the distinct ones).

The product of its (nonzero) digits is 6220800, while the sum is 51.

The spelling of 406531444596 in words is "four hundred six billion, five hundred thirty-one million, four hundred forty-four thousand, five hundred ninety-six".