4542121622432 has 48 divisors (see below), whose sum is σ = 8948927796480. Its totient is φ = 2269378691328.

The previous prime is 4542121622393. The next prime is 4542121622477. The reversal of 4542121622432 is 2342261212454.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 371112569 + ... + 371124807.

It is an arithmetic number, because the mean of its divisors is an integer number (186435995760).

Almost surely, 2^{4542121622432} is an apocalyptic number.

It is an amenable number.

4542121622432 is a deficient number, since it is larger than the sum of its proper divisors (4406806174048).

4542121622432 is a wasteful number, since it uses less digits than its factorization.

4542121622432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19893 (or 19885 counting only the distinct ones).

The product of its digits is 184320, while the sum is 38.

Adding to 4542121622432 its reverse (2342261212454), we get a palindrome (6884382834886).

The spelling of 4542121622432 in words is "four trillion, five hundred forty-two billion, one hundred twenty-one million, six hundred twenty-two thousand, four hundred thirty-two".