406662430452 has 24 divisors (see below), whose sum is σ = 948958617600. Its totient is φ = 135542770176.

The previous prime is 406662430411. The next prime is 406662430459. The reversal of 406662430452 is 254034266604.

It is a super-2 number, since 2×406662430452² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (406662430459) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1272052 + ... + 1559307.

It is an arithmetic number, because the mean of its divisors is an integer number (39539942400).

Almost surely, 2^406662430452 is an apocalyptic number.

It is an amenable number.

406662430452 is an abundant number, since it is smaller than the sum of its proper divisors (542296187148).

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

406662430452 is a wasteful number, since it uses less digits than its factorization.

406662430452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2843335 (or 2843333 counting only the distinct ones).

The product of its (nonzero) digits is 829440, while the sum is 42.

The spelling of 406662430452 in words is "four hundred six billion, six hundred sixty-two million, four hundred thirty thousand, four hundred fifty-two".