442400002 has 32 divisors (see below), whose sum is σ = 749585664. Its totient is φ = 194083200.

The previous prime is 442399987. The next prime is 442400011. The reversal of 442400002 is 200004244.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 72552 + ... + 78412.

It is an arithmetic number, because the mean of its divisors is an integer number (23424552).

Almost surely, 2^442400002 is an apocalyptic number.

442400002 is a deficient number, since it is larger than the sum of its proper divisors (307185662).

442400002 is a wasteful number, since it uses less digits than its factorization.

442400002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5994.

The product of its (nonzero) digits is 256, while the sum is 16.

The square root of 442400002 is about 21033.3069677595. The cubic root of 442400002 is about 761.9708783473.

Adding to 442400002 its reverse (200004244), we get a palindrome (642404246).

The spelling of 442400002 in words is "four hundred forty-two million, four hundred thousand, two".