424981432836 has 45 divisors (see below), whose sum is σ = 1111016089029. Its totient is φ = 141656566176.

The previous prime is 424981432829. The next prime is 424981432867. The reversal of 424981432836 is 638234189424.

It is a happy number.

The square root of 424981432836 is 651906.

It is a perfect power (a square), and thus also a powerful number.

424981432836 is a `hidden beast` number, since 4 + 2 + 498 + 143 + 2 + 8 + 3 + 6 = 666.

It can be written as a sum of positive squares in only one way, i.e., 50261156100 + 374720276736 = 224190^2 + 612144^2 .

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (54).

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 14 ways as a sum of consecutive naturals, for example, 11716200 + ... + 11752416.

Almost surely, 2^424981432836 is an apocalyptic number.

424981432836 is the 651906-th square number.

It is an amenable number.

424981432836 is an abundant number, since it is smaller than the sum of its proper divisors (686034656193).

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

424981432836 is an frugal number, since it uses more digits than its factorization.

424981432836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72450 (or 36222 counting only the distinct ones).

The product of its digits is 7962624, while the sum is 54.

The spelling of 424981432836 in words is "four hundred twenty-four billion, nine hundred eighty-one million, four hundred thirty-two thousand, eight hundred thirty-six".