442624402 has 8 divisors (see below), whose sum is σ = 724294512. Its totient is φ = 201192900.

The previous prime is 442624373. The next prime is 442624409. The reversal of 442624402 is 204426244.

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

It is a super-2 number, since 2×442624402² = 391832722491715208, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (442624409) 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, 10059624 + ... + 10059667.

It is an arithmetic number, because the mean of its divisors is an integer number (90536814).

Almost surely, 2^442624402 is an apocalyptic number.

442624402 is a deficient number, since it is larger than the sum of its proper divisors (281670110).

442624402 is a wasteful number, since it uses less digits than its factorization.

442624402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20119304.

The product of its (nonzero) digits is 12288, while the sum is 28.

The square root of 442624402 is about 21038.6406880293. The cubic root of 442624402 is about 762.0996888977.

The spelling of 442624402 in words is "four hundred forty-two million, six hundred twenty-four thousand, four hundred two".