406277320422 has 32 divisors (see below), whose sum is σ = 813488417280. Its totient is φ = 135270238880.

The previous prime is 406277320391. The next prime is 406277320433. The reversal of 406277320422 is 224023772604.

It is a super-4 number, since 4×406277320422⁴ (a number of 48 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

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, 20325229 + ... + 20345207.

It is an arithmetic number, because the mean of its divisors is an integer number (25421513040).

Almost surely, 2^406277320422 is an apocalyptic number.

406277320422 is an abundant number, since it is smaller than the sum of its proper divisors (407211096858).

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

406277320422 is a wasteful number, since it uses less digits than its factorization.

406277320422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23708.

The product of its (nonzero) digits is 225792, while the sum is 39.

The spelling of 406277320422 in words is "four hundred six billion, two hundred seventy-seven million, three hundred twenty thousand, four hundred twenty-two".