44440424 has 32 divisors (see below), whose sum is σ = 95515200. Its totient is φ = 18988800.

The previous prime is 44440379. The next prime is 44440469. The reversal of 44440424 is 42404444.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (44440379) and next prime (44440469).

It is a junction number, because it is equal to n+sod(n) for n = 44440393 and 44440402.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21467 + ... + 23445.

It is an arithmetic number, because the mean of its divisors is an integer number (2984850).

Almost surely, 2^44440424 is an apocalyptic number.

It is an amenable number.

44440424 is an abundant number, since it is smaller than the sum of its proper divisors (51074776).

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

44440424 is a wasteful number, since it uses less digits than its factorization.

44440424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2393 (or 2389 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 26.

The square root of 44440424 is about 6666.3651265138. The cubic root of 44440424 is about 354.2088418394.

Adding to 44440424 its reverse (42404444), we get a palindrome (86844868).

The spelling of 44440424 in words is "forty-four million, four hundred forty thousand, four hundred twenty-four".