39020544 has 144 divisors (see below), whose sum is σ = 118181700. Its totient is φ = 12386304.

The previous prime is 39020543. The next prime is 39020557. The reversal of 39020544 is 44502093.

It can be written as a sum of positive squares in 2 ways, for example, as 38937600 + 82944 = 6240^2 + 288^2 .

It is a tau number, because it is divible by the number of its divisors (144).

It is not an unprimeable number, because it can be changed into a prime (39020543) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 534492 + ... + 534564.

Almost surely, 2^39020544 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 39020544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (59090850).

39020544 is an abundant number, since it is smaller than the sum of its proper divisors (79161156).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

39020544 is a wasteful number, since it uses less digits than its factorization.

39020544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130 (or 107 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 39020544 is about 6246.6426182390. The cubic root of 39020544 is about 339.1806800435.

The spelling of 39020544 in words is "thirty-nine million, twenty thousand, five hundred forty-four".