404502140050 has 48 divisors (see below), whose sum is σ = 766694356992. Its totient is φ = 158722200000.

The previous prime is 404502139967. The next prime is 404502140069. The reversal of 404502140050 is 50041205404.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a junction number, because it is equal to n+sod(n) for n = 404502139997 and 404502140024.

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 23 ways as a sum of consecutive naturals, for example, 29808367 + ... + 29821933.

It is an arithmetic number, because the mean of its divisors is an integer number (15972799104).

Almost surely, 2^404502140050 is an apocalyptic number.

404502140050 is a deficient number, since it is larger than the sum of its proper divisors (362192216942).

404502140050 is a wasteful number, since it uses less digits than its factorization.

404502140050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24883 (or 24878 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 25.

Adding to 404502140050 its reverse (50041205404), we get a palindrome (454543345454).

The spelling of 404502140050 in words is "four hundred four billion, five hundred two million, one hundred forty thousand, fifty".