4442538052 has 24 divisors (see below), whose sum is σ = 7989975000. Its totient is φ = 2159769600.

The previous prime is 4442538041. The next prime is 4442538053. The reversal of 4442538052 is 2508352444.

It can be written as a sum of positive squares in 4 ways, for example, as 3385377856 + 1057160196 = 58184^2 + 32514^2 .

It is a super-2 number, since 2×4442538052² = 39472288686935909408, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is not an unprimeable number, because it can be changed into a prime (4442538053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 227574 + ... + 246322.

It is an arithmetic number, because the mean of its divisors is an integer number (332915625).

Almost surely, 2^4442538052 is an apocalyptic number.

It is an amenable number.

4442538052 is a deficient number, since it is larger than the sum of its proper divisors (3547436948).

4442538052 is a wasteful number, since it uses less digits than its factorization.

4442538052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20391 (or 20389 counting only the distinct ones).

The product of its (nonzero) digits is 153600, while the sum is 37.

The square root of 4442538052 is about 66652.3671897705. The cubic root of 4442538052 is about 1643.9062708643.

The spelling of 4442538052 in words is "four billion, four hundred forty-two million, five hundred thirty-eight thousand, fifty-two".