41855431396 has 9 divisors (see below), whose sum is σ = 73247721001. Its totient is φ = 20927511112.

The previous prime is 41855431391. The next prime is 41855431403. The reversal of 41855431396 is 69313455814.

The square root of 41855431396 is 204586.

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., 5196968100 + 36658463296 = 72090^2 + 191464^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (41855431391) 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, 358026 + ... + 460318.

Almost surely, 2^41855431396 is an apocalyptic number.

41855431396 is the 204586-th square number.

It is an amenable number.

41855431396 is a deficient number, since it is larger than the sum of its proper divisors (31392289605).

41855431396 is an frugal number, since it uses more digits than its factorization.

41855431396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204590 (or 102295 counting only the distinct ones).

The product of its digits is 1555200, while the sum is 49.

Multiplying 41855431396 by its sum of digits (49), we get a square (2050916138404 = 1432102²).

The spelling of 41855431396 in words is "forty-one billion, eight hundred fifty-five million, four hundred thirty-one thousand, three hundred ninety-six".