402044424004 has 24 divisors (see below), whose sum is σ = 735001561728. Its totient is φ = 192063822720.

The previous prime is 402044423987. The next prime is 402044424071. The reversal of 402044424004 is 400424440204.

It is a super-3 number, since 3×402044424004³ (a number of 36 digits) contains 333 as substring.

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, 2399112 + ... + 2561215.

It is an arithmetic number, because the mean of its divisors is an integer number (30625065072).

Almost surely, 2^402044424004 is an apocalyptic number.

It is an amenable number.

402044424004 is a deficient number, since it is larger than the sum of its proper divisors (332957137724).

402044424004 is a wasteful number, since it uses less digits than its factorization.

402044424004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4961235 (or 4961233 counting only the distinct ones).

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

Adding to 402044424004 its reverse (400424440204), we get a palindrome (802468864208).

The spelling of 402044424004 in words is "four hundred two billion, forty-four million, four hundred twenty-four thousand, four".