4451120642 has 16 divisors (see below), whose sum is σ = 7071620760. Its totient is φ = 2093995008.

The previous prime is 4451120587. The next prime is 4451120717. The reversal of 4451120642 is 2460211544.

It can be written as a sum of positive squares in 4 ways, for example, as 2856795601 + 1594325041 = 53449^2 + 39929^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 101438 + ... + 138534.

Almost surely, 2^4451120642 is an apocalyptic number.

4451120642 is a deficient number, since it is larger than the sum of its proper divisors (2620500118).

4451120642 is a wasteful number, since it uses less digits than its factorization.

4451120642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40645.

The product of its (nonzero) digits is 7680, while the sum is 29.

The square root of 4451120642 is about 66716.7193587934. The cubic root of 4451120642 is about 1644.9642169703.

The spelling of 4451120642 in words is "four billion, four hundred fifty-one million, one hundred twenty thousand, six hundred forty-two".