442240632 has 24 divisors (see below), whose sum is σ = 1197735240. Its totient is φ = 147413520.

The previous prime is 442240621. The next prime is 442240649. The reversal of 442240632 is 236042244.

442240632 is a `hidden beast` number, since 4 + 4 + 2 + 24 + 0 + 632 = 666.

It is a tau number, because it is divible by the number of its divisors (24).

It is a junction number, because it is equal to n+sod(n) for n = 442240596 and 442240605.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3071044 + ... + 3071187.

It is an arithmetic number, because the mean of its divisors is an integer number (49905635).

Almost surely, 2^442240632 is an apocalyptic number.

It is an amenable number.

442240632 is an abundant number, since it is smaller than the sum of its proper divisors (755494608).

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

442240632 is a wasteful number, since it uses less digits than its factorization.

442240632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6142243 (or 6142236 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

The square root of 442240632 is about 21029.5181114547. The cubic root of 442240632 is about 761.8793699965.

Adding to 442240632 its reverse (236042244), we get a palindrome (678282876).

It can be divided in two parts, 4422 and 40632, that added together give a palindrome (45054).

The spelling of 442240632 in words is "four hundred forty-two million, two hundred forty thousand, six hundred thirty-two".