4554440542 has 16 divisors (see below), whose sum is σ = 7130138400. Its totient is φ = 2177768032.

The previous prime is 4554440537. The next prime is 4554440549. The reversal of 4554440542 is 2450444554.

It is a super-2 number, since 2×4554440542² = 41485857301226507528, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4554440549) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 388584 + ... + 400132.

It is an arithmetic number, because the mean of its divisors is an integer number (445633650).

Almost surely, 2^4554440542 is an apocalyptic number.

4554440542 is a deficient number, since it is larger than the sum of its proper divisors (2575697858).

4554440542 is a wasteful number, since it uses less digits than its factorization.

4554440542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20147.

The product of its (nonzero) digits is 256000, while the sum is 37.

The square root of 4554440542 is about 67486.5952763954. The cubic root of 4554440542 is about 1657.5946852387.

It can be divided in two parts, 4554 and 440542, that added together give a triangular number (445096 = T₉₄₃).

The spelling of 4554440542 in words is "four billion, five hundred fifty-four million, four hundred forty thousand, five hundred forty-two".