404022004434 has 16 divisors (see below), whose sum is σ = 897826676640. Its totient is φ = 134674001460.

The previous prime is 404022004423. The next prime is 404022004481. The reversal of 404022004434 is 434400220404.

It is a happy number.

404022004434 is a `hidden beast` number, since 4 + 0 + 4 + 0 + 220 + 0 + 4 + 434 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 404022004398 and 404022004407.

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, 3740944432 + ... + 3740944539.

It is an arithmetic number, because the mean of its divisors is an integer number (56114167290).

Almost surely, 2^404022004434 is an apocalyptic number.

404022004434 is an abundant number, since it is smaller than the sum of its proper divisors (493804672206).

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

404022004434 is a wasteful number, since it uses less digits than its factorization.

404022004434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7481888982 (or 7481888976 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 27.

Adding to 404022004434 its reverse (434400220404), we get a palindrome (838422224838).

The spelling of 404022004434 in words is "four hundred four billion, twenty-two million, four thousand, four hundred thirty-four".