400284533994 has 8 divisors (see below), whose sum is σ = 800569068000. Its totient is φ = 133428177996.

The previous prime is 400284533941. The next prime is 400284534029. The reversal of 400284533994 is 499335482004.

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

400284533994 is an admirable number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33357044494 + ... + 33357044505.

It is an arithmetic number, because the mean of its divisors is an integer number (100071133500).

Almost surely, 2^400284533994 is an apocalyptic number.

400284533994 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.

400284533994 is a wasteful number, since it uses less digits than its factorization.

400284533994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66714089004.

The product of its (nonzero) digits is 3732480, while the sum is 51.

The spelling of 400284533994 in words is "four hundred billion, two hundred eighty-four million, five hundred thirty-three thousand, nine hundred ninety-four".