1824644430436 has 27 divisors (see below), whose sum is σ = 3299606036307. Its totient is φ = 882851942520.

The previous prime is 1824644430377. The next prime is 1824644430449. The reversal of 1824644430436 is 6340344464281.

It is a happy number.

The square root of 1824644430436 is 1350794.

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

It is a super-2 number, since 2×1824644430436² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1824644430436.

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 8 ways as a sum of consecutive naturals, for example, 83738335 + ... + 83760121.

Almost surely, 2^{1824644430436} is an apocalyptic number.

1824644430436 is the 1350794-th square number.

It is an amenable number.

1824644430436 is a deficient number, since it is larger than the sum of its proper divisors (1474961605871).

1824644430436 is an frugal number, since it uses more digits than its factorization.

1824644430436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43640 (or 21820 counting only the distinct ones).

The product of its (nonzero) digits is 5308416, while the sum is 49.

Multiplying 1824644430436 by its sum of digits (49), we get a square (89407577091364 = 9455558²).

The spelling of 1824644430436 in words is "one trillion, eight hundred twenty-four billion, six hundred forty-four million, four hundred thirty thousand, four hundred thirty-six".