42944199696 has 120 divisors (see below), whose sum is σ = 121633476120. Its totient is φ = 14142720000.

The previous prime is 42944199689. The next prime is 42944199713. The reversal of 42944199696 is 69699144924.

42944199696 is a `hidden beast` number, since 42 + 9 + 4 + 419 + 96 + 96 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 36771897600 + 6172302096 = 191760^2 + 78564^2 .

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7399996 + ... + 7405796.

It is an arithmetic number, because the mean of its divisors is an integer number (1013612301).

Almost surely, 2^42944199696 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42944199696, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (60816738060).

42944199696 is an abundant number, since it is smaller than the sum of its proper divisors (78689276424).

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

42944199696 is a wasteful number, since it uses less digits than its factorization.

42944199696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6425 (or 6416 counting only the distinct ones).

The product of its digits is 30233088, while the sum is 63.

The spelling of 42944199696 in words is "forty-two billion, nine hundred forty-four million, one hundred ninety-nine thousand, six hundred ninety-six".