16404241530 has 32 divisors (see below), whose sum is σ = 39466468800. Its totient is φ = 4363765632.

The previous prime is 16404241517. The next prime is 16404241531. The reversal of 16404241530 is 3514240461.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (16404241531) by changing a digit.

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, 656200 + ... + 680739.

It is an arithmetic number, because the mean of its divisors is an integer number (1233327150).

Almost surely, 2^16404241530 is an apocalyptic number.

16404241530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16404241530 is an abundant number, since it is smaller than the sum of its proper divisors (23062227270).

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

16404241530 is a wasteful number, since it uses less digits than its factorization.

16404241530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1337358.

The product of its (nonzero) digits is 11520, while the sum is 30.

Adding to 16404241530 its reverse (3514240461), we get a palindrome (19918481991).

The spelling of 16404241530 in words is "sixteen billion, four hundred four million, two hundred forty-one thousand, five hundred thirty".