400044220302 has 8 divisors (see below), whose sum is σ = 800088440616. Its totient is φ = 133348073432.

The previous prime is 400044220273. The next prime is 400044220313. The reversal of 400044220302 is 203022440004.

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

400044220302 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33337018353 + ... + 33337018364.

It is an arithmetic number, because the mean of its divisors is an integer number (100011055077).

Almost surely, 2^400044220302 is an apocalyptic number.

400044220302 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.

400044220302 is a wasteful number, since it uses less digits than its factorization.

400044220302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66674036722.

The product of its (nonzero) digits is 1536, while the sum is 21.

Adding to 400044220302 its reverse (203022440004), we get a palindrome (603066660306).

The spelling of 400044220302 in words is "four hundred billion, forty-four million, two hundred twenty thousand, three hundred two".