44400430 has 32 divisors (see below), whose sum is σ = 86438016. Its totient is φ = 16356864.

The previous prime is 44400403. The next prime is 44400443. The reversal of 44400430 is 3400444.

It is a junction number, because it is equal to n+sod(n) for n = 44400398 and 44400407.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5212 + ... + 10768.

It is an arithmetic number, because the mean of its divisors is an integer number (2701188).

Almost surely, 2^44400430 is an apocalyptic number.

44400430 is a deficient number, since it is larger than the sum of its proper divisors (42037586).

44400430 is a wasteful number, since it uses less digits than its factorization.

44400430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5628.

The product of its (nonzero) digits is 768, while the sum is 19.

The square root of 44400430 is about 6663.3647656421. The cubic root of 44400430 is about 354.1025536234.

Adding to 44400430 its reverse (3400444), we get a palindrome (47800874).

The spelling of 44400430 in words is "forty-four million, four hundred thousand, four hundred thirty".