30402441 has 6 divisors (see below), whose sum is σ = 43914650. Its totient is φ = 20268288.

The previous prime is 30402401. The next prime is 30402457. The reversal of 30402441 is 14420403.

It can be written as a sum of positive squares in only one way, i.e., 26998416 + 3404025 = 5196^2 + 1845^2 .

It is not a de Polignac number, because 30402441 - 2¹⁰ = 30401417 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30402401) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1689016 + ... + 1689033.

Almost surely, 2^30402441 is an apocalyptic number.

It is an amenable number.

30402441 is a deficient number, since it is larger than the sum of its proper divisors (13512209).

30402441 is a wasteful number, since it uses less digits than its factorization.

30402441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3378055 (or 3378052 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 30402441 is about 5513.8408573335. The cubic root of 30402441 is about 312.1065033345.

Adding to 30402441 its reverse (14420403), we get a palindrome (44822844).

The spelling of 30402441 in words is "thirty million, four hundred two thousand, four hundred forty-one".