400082082 has 8 divisors (see below), whose sum is σ = 800164176. Its totient is φ = 133360692.

The previous prime is 400082071. The next prime is 400082087. The reversal of 400082082 is 280280004.

It is a sphenic number, since it is the product of 3 distinct primes.

400082082 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (400082087) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33340168 + ... + 33340179.

It is an arithmetic number, because the mean of its divisors is an integer number (100020522).

Almost surely, 2^400082082 is an apocalyptic number.

400082082 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

400082082 is a wasteful number, since it uses less digits than its factorization.

400082082 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66680352.

The product of its (nonzero) digits is 1024, while the sum is 24.

The square root of 400082082 is about 20002.0519447381. The cubic root of 400082082 is about 736.8566950600.

The spelling of 400082082 in words is "four hundred million, eighty-two thousand, eighty-two".