39444404 has 12 divisors (see below), whose sum is σ = 69210624. Its totient is φ = 19669944.

The previous prime is 39444401. The next prime is 39444409. The reversal of 39444404 is 40444493.

It is a super-2 number, since 2×39444404² = 3111722013830432, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39444401) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11342 + ... + 14405.

It is an arithmetic number, because the mean of its divisors is an integer number (5767552).

Almost surely, 2^39444404 is an apocalyptic number.

It is an amenable number.

39444404 is a deficient number, since it is larger than the sum of its proper divisors (29766220).

39444404 is a wasteful number, since it uses less digits than its factorization.

39444404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26134 (or 26132 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 32.

The square root of 39444404 is about 6280.4780072858. The cubic root of 39444404 is about 340.4043746961.

Adding to 39444404 its reverse (40444493), we get a palindrome (79888897).

The spelling of 39444404 in words is "thirty-nine million, four hundred forty-four thousand, four hundred four".