442344536 has 8 divisors (see below), whose sum is σ = 829396020. Its totient is φ = 221172264.

The previous prime is 442344503. The next prime is 442344557. The reversal of 442344536 is 635443244.

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

It is a junction number, because it is equal to n+sod(n) for n = 442344496 and 442344505.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27646526 + ... + 27646541.

Almost surely, 2^442344536 is an apocalyptic number.

It is an amenable number.

442344536 is a deficient number, since it is larger than the sum of its proper divisors (387051484).

442344536 is a wasteful number, since it uses less digits than its factorization.

442344536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55293073 (or 55293069 counting only the distinct ones).

The product of its digits is 138240, while the sum is 35.

The square root of 442344536 is about 21031.9883986275. The cubic root of 442344536 is about 761.9390329262.

The spelling of 442344536 in words is "four hundred forty-two million, three hundred forty-four thousand, five hundred thirty-six".