402244400044 has 24 divisors (see below), whose sum is σ = 706694123520. Its totient is φ = 200331988944.

The previous prime is 402244400021. The next prime is 402244400071. The reversal of 402244400044 is 440004442204.

It is a junction number, because it is equal to n+sod(n) for n = 402244399985 and 402244400021.

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, 10352277 + ... + 10391059.

It is an arithmetic number, because the mean of its divisors is an integer number (29445588480).

Almost surely, 2^402244400044 is an apocalyptic number.

It is an amenable number.

402244400044 is a deficient number, since it is larger than the sum of its proper divisors (304449723476).

402244400044 is a wasteful number, since it uses less digits than its factorization.

402244400044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48909 (or 48907 counting only the distinct ones).

The product of its (nonzero) digits is 16384, while the sum is 28.

Adding to 402244400044 its reverse (440004442204), we get a palindrome (842248842248).

The spelling of 402244400044 in words is "four hundred two billion, two hundred forty-four million, four hundred thousand, forty-four".