404102021023240 has 32 divisors (see below), whose sum is σ = 928574856823680. Its totient is φ = 158201642272192.

The previous prime is 404102021023109. The next prime is 404102021023313. The reversal of 404102021023240 is 42320120201404.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 107473939882 + ... + 107473943641.

It is an arithmetic number, because the mean of its divisors is an integer number (29017964275740).

Almost surely, 2^{404102021023240} is an apocalyptic number.

404102021023240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

404102021023240 is an abundant number, since it is smaller than the sum of its proper divisors (524472835800440).

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

404102021023240 is a wasteful number, since it uses less digits than its factorization.

404102021023240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 214947883581 (or 214947883577 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 25.

Adding to 404102021023240 its reverse (42320120201404), we get a palindrome (446422141224644).

The spelling of 404102021023240 in words is "four hundred four trillion, one hundred two billion, twenty-one million, twenty-three thousand, two hundred forty".