404022224040 has 64 divisors (see below), whose sum is σ = 1224067368960. Its totient is φ = 106672531200.

The previous prime is 404022224033. The next prime is 404022224093. The reversal of 404022224040 is 40422220404.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 404022224040.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16655464 + ... + 16679703.

It is an arithmetic number, because the mean of its divisors is an integer number (19126052640).

Almost surely, 2^404022224040 is an apocalyptic number.

404022224040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

404022224040 is an abundant number, since it is smaller than the sum of its proper divisors (820045144920).

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

404022224040 is a wasteful number, since it uses less digits than its factorization.

404022224040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33335282 (or 33335278 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 24.

Adding to 404022224040 its reverse (40422220404), we get a palindrome (444444444444).

The spelling of 404022224040 in words is "four hundred four billion, twenty-two million, two hundred twenty-four thousand, forty".