4542121622402 has 32 divisors (see below), whose sum is σ = 8826795062400. Its totient is φ = 1702310473728.

The previous prime is 4542121622393. The next prime is 4542121622477. The reversal of 4542121622402 is 2042261212454.

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 15 ways as a sum of consecutive naturals, for example, 656752127 + ... + 656759042.

It is an arithmetic number, because the mean of its divisors is an integer number (275837345700).

Almost surely, 2^{4542121622402} is an apocalyptic number.

4542121622402 is a deficient number, since it is larger than the sum of its proper divisors (4284673439998).

4542121622402 is a wasteful number, since it uses less digits than its factorization.

4542121622402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1313511210.

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

Adding to 4542121622402 its reverse (2042261212454), we get a palindrome (6584382834856).

The spelling of 4542121622402 in words is "four trillion, five hundred forty-two billion, one hundred twenty-one million, six hundred twenty-two thousand, four hundred two".