411257994436 has 9 divisors (see below), whose sum is σ = 719703734799. Its totient is φ = 205628355924.

The previous prime is 411257994421. The next prime is 411257994439. The reversal of 411257994436 is 634499752114.

The square root of 411257994436 is 641294.

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

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (411257994439) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 1122265 + ... + 1442911.

Almost surely, 2^411257994436 is an apocalyptic number.

411257994436 is the 641294-th square number.

It is an amenable number.

411257994436 is a deficient number, since it is larger than the sum of its proper divisors (308445740363).

411257994436 is an frugal number, since it uses more digits than its factorization.

411257994436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 641298 (or 320649 counting only the distinct ones).

The product of its digits is 6531840, while the sum is 55.

The spelling of 411257994436 in words is "four hundred eleven billion, two hundred fifty-seven million, nine hundred ninety-four thousand, four hundred thirty-six".