404030420031 has 16 divisors (see below), whose sum is σ = 648068844800. Its totient is φ = 218723234688.

The previous prime is 404030419987. The next prime is 404030420047. The reversal of 404030420031 is 130024030404.

It is not a de Polignac number, because 404030420031 - 2¹¹ = 404030417983 is a prime.

It is a super-2 number, since 2×404030420031² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (404030420081) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 506303386 + ... + 506304183.

It is an arithmetic number, because the mean of its divisors is an integer number (40504302800).

Almost surely, 2^404030420031 is an apocalyptic number.

404030420031 is a deficient number, since it is larger than the sum of its proper divisors (244038424769).

404030420031 is a wasteful number, since it uses less digits than its factorization.

404030420031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1012607598.

The product of its (nonzero) digits is 1152, while the sum is 21.

Adding to 404030420031 its reverse (130024030404), we get a palindrome (534054450435).

The spelling of 404030420031 in words is "four hundred four billion, thirty million, four hundred twenty thousand, thirty-one".