442622747474 has 8 divisors (see below), whose sum is σ = 663953542140. Its totient is φ = 221304900096.

The previous prime is 442622747471. The next prime is 442622747513. The reversal of 442622747474 is 474747226244.

It can be written as a sum of positive squares in 2 ways, for example, as 438052041025 + 4570706449 = 661855^2 + 67607^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (442622747471) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3150899 + ... + 3288374.

Almost surely, 2^442622747474 is an apocalyptic number.

442622747474 is a deficient number, since it is larger than the sum of its proper divisors (221330794666).

442622747474 is a wasteful number, since it uses less digits than its factorization.

442622747474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6473644.

The product of its digits is 16859136, while the sum is 53.

The spelling of 442622747474 in words is "four hundred forty-two billion, six hundred twenty-two million, seven hundred forty-seven thousand, four hundred seventy-four".