8199414625444 has 135 divisors (see below), whose sum is σ = 17053994940801. Its totient is φ = 3449211786720.

The previous prime is 8199414625429. The next prime is 8199414625471. The reversal of 8199414625444 is 4445264149918.

The square root of 8199414625444 is 2863462.

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

It can be written as a sum of positive squares in only one way, i.e., 266629715044 + 7932784910400 = 516362^2 + 2816520^2 .

It is a Harshad number since it is a multiple of its sum of digits (61).

It is an unprimeable number.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 17117775597 + ... + 17117776075.

Almost surely, 2^{8199414625444} is an apocalyptic number.

8199414625444 is the 2863462-nd square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8199414625444

8199414625444 is an abundant number, since it is smaller than the sum of its proper divisors (8854580315357).

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

8199414625444 is an frugal number, since it uses more digits than its factorization.

8199414625444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1112 (or 549 counting only the distinct ones).

The product of its digits is 39813120, while the sum is 61.

The spelling of 8199414625444 in words is "eight trillion, one hundred ninety-nine billion, four hundred fourteen million, six hundred twenty-five thousand, four hundred forty-four".