404055030432 has 96 divisors (see below), whose sum is σ = 1078044678144. Its totient is φ = 132481324800.

The previous prime is 404055030413. The next prime is 404055030443. The reversal of 404055030432 is 234030550404.

It is a tau number, because it is divible by the number of its divisors (96).

It is a super-2 number, since 2×404055030432² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 404055030432.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4399057 + ... + 4489967.

It is an arithmetic number, because the mean of its divisors is an integer number (11229632064).

Almost surely, 2^404055030432 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 404055030432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (539022339072).

404055030432 is an abundant number, since it is smaller than the sum of its proper divisors (673989647712).

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

404055030432 is a wasteful number, since it uses less digits than its factorization.

404055030432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91682 (or 91674 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 30.

Adding to 404055030432 its reverse (234030550404), we get a palindrome (638085580836).

The spelling of 404055030432 in words is "four hundred four billion, fifty-five million, thirty thousand, four hundred thirty-two".