406822006276 has 81 divisors (see below), whose sum is σ = 858262136277. Its totient is φ = 168232985760.

The previous prime is 406822006259. The next prime is 406822006303. The reversal of 406822006276 is 672600228604.

The square root of 406822006276 is 637826.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 213327591876 + 193494414400 = 461874^2 + 439880^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 258956571 + ... + 258958141.

Almost surely, 2^406822006276 is an apocalyptic number.

406822006276 is the 637826-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 406822006276

406822006276 is an abundant number, since it is smaller than the sum of its proper divisors (451440130001).

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

406822006276 is an equidigital number, since it uses as much as digits as its factorization.

406822006276 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3218 (or 1609 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 43.

The spelling of 406822006276 in words is "four hundred six billion, eight hundred twenty-two million, six thousand, two hundred seventy-six".