43854223396 has 9 divisors (see below), whose sum is σ = 76745623899. Its totient is φ = 21926902284.

The previous prime is 43854223367. The next prime is 43854223421. The reversal of 43854223396 is 69332245834.

The square root of 43854223396 is 209414.

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

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 366475 + ... + 471181.

Almost surely, 2^43854223396 is an apocalyptic number.

43854223396 is the 209414-th square number.

It is an amenable number.

43854223396 is a deficient number, since it is larger than the sum of its proper divisors (32891400503).

43854223396 is an frugal number, since it uses more digits than its factorization.

43854223396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209418 (or 104709 counting only the distinct ones).

The product of its digits is 3732480, while the sum is 49.

Multiplying 43854223396 by its sum of digits (49), we get a square (2148856946404 = 1465898²).

The spelling of 43854223396 in words is "forty-three billion, eight hundred fifty-four million, two hundred twenty-three thousand, three hundred ninety-six".