39444152 has 64 divisors (see below), whose sum is σ = 87782400. Its totient is φ = 16416000.

The previous prime is 39444151. The next prime is 39444161. The reversal of 39444152 is 25144493.

It is a super-2 number, since 2×39444152² = 3111682253998208, which contains 22 as substring.

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39444151) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 51452 + ... + 52212.

It is an arithmetic number, because the mean of its divisors is an integer number (1371600).

Almost surely, 2^39444152 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 39444152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43891200).

39444152 is an abundant number, since it is smaller than the sum of its proper divisors (48338248).

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

39444152 is a wasteful number, since it uses less digits than its factorization.

39444152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 828 (or 824 counting only the distinct ones).

The product of its digits is 17280, while the sum is 32.

The square root of 39444152 is about 6280.4579450865. The cubic root of 39444152 is about 340.4036497763.

It can be divided in two parts, 394441 and 52, that added together give a palindrome (394493).

The spelling of 39444152 in words is "thirty-nine million, four hundred forty-four thousand, one hundred fifty-two".