4554881456642 has 24 divisors (see below), whose sum is σ = 7510032348588. Its totient is φ = 2070366341120.

The previous prime is 4554881456633. The next prime is 4554881456681. The reversal of 4554881456642 is 2466541884554.

It can be written as a sum of positive squares in 2 ways, for example, as 4313966386081 + 240915070561 = 2077009^2 + 490831^2 .

It is a super-2 number, since 2×4554881456642² (a number of 26 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19665218 + ... + 19895490.

Almost surely, 2^{4554881456642} is an apocalyptic number.

4554881456642 is a deficient number, since it is larger than the sum of its proper divisors (2955150891946).

4554881456642 is a wasteful number, since it uses less digits than its factorization.

4554881456642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 312034 (or 312023 counting only the distinct ones).

The product of its digits is 147456000, while the sum is 62.

The spelling of 4554881456642 in words is "four trillion, five hundred fifty-four billion, eight hundred eighty-one million, four hundred fifty-six thousand, six hundred forty-two".