404422244400 has 60 divisors (see below), whose sum is σ = 1295499260072. Its totient is φ = 107845931520.

The previous prime is 404422244393. The next prime is 404422244411. The reversal of 404422244400 is 4442224404.

It is a tau number, because it is divible by the number of its divisors (60).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 168508069 + ... + 168510468.

Almost surely, 2^404422244400 is an apocalyptic number.

404422244400 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

404422244400 is an abundant number, since it is smaller than the sum of its proper divisors (891077015672).

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

404422244400 is a wasteful number, since it uses less digits than its factorization.

404422244400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 337018558 (or 337018547 counting only the distinct ones).

The product of its (nonzero) digits is 32768, while the sum is 30.

Adding to 404422244400 its reverse (4442224404), we get a palindrome (408864468804).

The spelling of 404422244400 in words is "four hundred four billion, four hundred twenty-two million, two hundred forty-four thousand, four hundred".