406404269628 has 48 divisors (see below), whose sum is σ = 1121115233280. Its totient is φ = 112111521984.

The previous prime is 406404269567. The next prime is 406404269641. The reversal of 406404269628 is 826962404604.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 83413876 + ... + 83418747.

It is an arithmetic number, because the mean of its divisors is an integer number (23356567360).

Almost surely, 2^406404269628 is an apocalyptic number.

It is an amenable number.

406404269628 is an abundant number, since it is smaller than the sum of its proper divisors (714710963652).

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

406404269628 is a wasteful number, since it uses less digits than its factorization.

406404269628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166832666 (or 166832664 counting only the distinct ones).

The product of its (nonzero) digits is 3981312, while the sum is 51.

The spelling of 406404269628 in words is "four hundred six billion, four hundred four million, two hundred sixty-nine thousand, six hundred twenty-eight".