442152441 has 6 divisors (see below), whose sum is σ = 638664650. Its totient is φ = 294768288.

The previous prime is 442152433. The next prime is 442152463. The reversal of 442152441 is 144251244.

442152441 is a `hidden beast` number, since 4 + 4 + 215 + 2 + 441 = 666.

It can be written as a sum of positive squares in only one way, i.e., 392872041 + 49280400 = 19821^2 + 7020^2 .

It is not a de Polignac number, because 442152441 - 2³ = 442152433 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (442152041) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 24564016 + ... + 24564033.

Almost surely, 2^442152441 is an apocalyptic number.

It is an amenable number.

442152441 is a deficient number, since it is larger than the sum of its proper divisors (196512209).

442152441 is a wasteful number, since it uses less digits than its factorization.

442152441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49128055 (or 49128052 counting only the distinct ones).

The product of its digits is 5120, while the sum is 27.

The square root of 442152441 is about 21027.4211685599. The cubic root of 442152441 is about 761.8287223283.

It can be divided in two parts, 44215 and 2441, that added together give a 6-th power (46656 = 6⁶).

The spelling of 442152441 in words is "four hundred forty-two million, one hundred fifty-two thousand, four hundred forty-one".