442014472 has 8 divisors (see below), whose sum is σ = 828777150. Its totient is φ = 221007232.

The previous prime is 442014457. The next prime is 442014473. The reversal of 442014472 is 274410244.

It can be written as a sum of positive squares in only one way, i.e., 275759236 + 166255236 = 16606^2 + 12894^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 442014472.

It is not an unprimeable number, because it can be changed into a prime (442014473) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27625897 + ... + 27625912.

Almost surely, 2^442014472 is an apocalyptic number.

It is an amenable number.

442014472 is a deficient number, since it is larger than the sum of its proper divisors (386762678).

442014472 is a wasteful number, since it uses less digits than its factorization.

442014472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55251815 (or 55251811 counting only the distinct ones).

The product of its (nonzero) digits is 7168, while the sum is 28.

The square root of 442014472 is about 21024.1402202326. The cubic root of 442014472 is about 761.7494738823.

The spelling of 442014472 in words is "four hundred forty-two million, fourteen thousand, four hundred seventy-two".