404023220325 has 48 divisors (see below), whose sum is σ = 745475530560. Its totient is φ = 214529722560.

The previous prime is 404023220233. The next prime is 404023220339. The reversal of 404023220325 is 523022320404.

It is a happy number.

404023220325 is a `hidden beast` number, since 4 + 0 + 402 + 3 + 220 + 32 + 5 = 666.

It is not a de Polignac number, because 404023220325 - 2⁷ = 404023220197 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1165174 + ... + 1471623.

It is an arithmetic number, because the mean of its divisors is an integer number (15530740220).

Almost surely, 2^404023220325 is an apocalyptic number.

404023220325 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

404023220325 is a deficient number, since it is larger than the sum of its proper divisors (341452310235).

404023220325 is a wasteful number, since it uses less digits than its factorization.

404023220325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2637043 (or 2637032 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 27.

Adding to 404023220325 its reverse (523022320404), we get a palindrome (927045540729).

The spelling of 404023220325 in words is "four hundred four billion, twenty-three million, two hundred twenty thousand, three hundred twenty-five".