442612154402 has 16 divisors (see below), whose sum is σ = 724349844000. Its totient is φ = 201166395840.

The previous prime is 442612154389. The next prime is 442612154483. The reversal of 442612154402 is 204451216244.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 830252 + ... + 1254807.

It is an arithmetic number, because the mean of its divisors is an integer number (45271865250).

Almost surely, 2^442612154402 is an apocalyptic number.

442612154402 is a deficient number, since it is larger than the sum of its proper divisors (281737689598).

442612154402 is a wasteful number, since it uses less digits than its factorization.

442612154402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2094721.

The product of its (nonzero) digits is 61440, while the sum is 35.

The spelling of 442612154402 in words is "four hundred forty-two billion, six hundred twelve million, one hundred fifty-four thousand, four hundred two".