404444022040 has 16 divisors (see below), whose sum is σ = 909999049680. Its totient is φ = 161777608800.

The previous prime is 404444022007. The next prime is 404444022061. The reversal of 404444022040 is 40220444404.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5055550236 + ... + 5055550315.

It is an arithmetic number, because the mean of its divisors is an integer number (56874940605).

Almost surely, 2^404444022040 is an apocalyptic number.

404444022040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

404444022040 is an abundant number, since it is smaller than the sum of its proper divisors (505555027640).

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

404444022040 is a wasteful number, since it uses less digits than its factorization.

404444022040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10111100562 (or 10111100558 counting only the distinct ones).

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

Adding to 404444022040 its reverse (40220444404), we get a palindrome (444664466444).

The spelling of 404444022040 in words is "four hundred four billion, four hundred forty-four million, twenty-two thousand, forty".