30444404 has 6 divisors (see below), whose sum is σ = 53277714. Its totient is φ = 15222200.

The previous prime is 30444397. The next prime is 30444437. The reversal of 30444404 is 40444403.

It can be written as a sum of positive squares in only one way, i.e., 18472804 + 11971600 = 4298^2 + 3460^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 30444404.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3805547 + ... + 3805554.

It is an arithmetic number, because the mean of its divisors is an integer number (8879619).

Almost surely, 2^30444404 is an apocalyptic number.

It is an amenable number.

30444404 is a deficient number, since it is larger than the sum of its proper divisors (22833310).

30444404 is a wasteful number, since it uses less digits than its factorization.

30444404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7611105 (or 7611103 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 23.

The square root of 30444404 is about 5517.6447874070. The cubic root of 30444404 is about 312.2500324252.

Adding to 30444404 its reverse (40444403), we get a palindrome (70888807).

Subtracting 30444404 from its reverse (40444403), we obtain a palindrome (9999999).

The spelling of 30444404 in words is "thirty million, four hundred forty-four thousand, four hundred four".