402000044000 has 48 divisors (see below), whose sum is σ = 987714117936. Its totient is φ = 160800016000.

The previous prime is 402000043927. The next prime is 402000044011. The reversal of 402000044000 is 440000204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50246006 + ... + 50254005.

It is an arithmetic number, because the mean of its divisors is an integer number (20577377457).

Almost surely, 2^402000044000 is an apocalyptic number.

402000044000 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

402000044000 is an abundant number, since it is smaller than the sum of its proper divisors (585714073936).

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

402000044000 is a wasteful number, since it uses less digits than its factorization.

402000044000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100500036 (or 100500018 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 14.

Adding to 402000044000 its reverse (440000204), we get a palindrome (402440044204).

The spelling of 402000044000 in words is "four hundred two billion, forty-four thousand".