404130500492 has 24 divisors (see below), whose sum is σ = 721494602640. Its totient is φ = 198013815360.

The previous prime is 404130500437. The next prime is 404130500509. The reversal of 404130500492 is 294005031404.

It is a super-2 number, since 2×404130500492² (a number of 24 digits) contains 22 as substring.

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 7 ways as a sum of consecutive naturals, for example, 3012938 + ... + 3144209.

It is an arithmetic number, because the mean of its divisors is an integer number (30062275110).

Almost surely, 2^404130500492 is an apocalyptic number.

It is an amenable number.

404130500492 is a deficient number, since it is larger than the sum of its proper divisors (317364102148).

404130500492 is a wasteful number, since it uses less digits than its factorization.

404130500492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6157481 (or 6157479 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 32.

Adding to 404130500492 its reverse (294005031404), we get a palindrome (698135531896).

The spelling of 404130500492 in words is "four hundred four billion, one hundred thirty million, five hundred thousand, four hundred ninety-two".