402044044004 has 12 divisors (see below), whose sum is σ = 710152564464. Its totient is φ = 199143311304.

The previous prime is 402044043983. The next prime is 402044044009. The reversal of 402044044004 is 400440440204.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (402044044009) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 469677194 + ... + 469678049.

It is an arithmetic number, because the mean of its divisors is an integer number (59179380372).

Almost surely, 2^402044044004 is an apocalyptic number.

It is an amenable number.

402044044004 is a deficient number, since it is larger than the sum of its proper divisors (308108520460).

402044044004 is a wasteful number, since it uses less digits than its factorization.

402044044004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 939355354 (or 939355352 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 26.

Adding to 402044044004 its reverse (400440440204), we get a palindrome (802484484208).

The spelling of 402044044004 in words is "four hundred two billion, forty-four million, forty-four thousand, four".