30401052442 has 32 divisors (see below), whose sum is σ = 47312868240. Its totient is φ = 14638786560.

The previous prime is 30401052431. The next prime is 30401052443. The reversal of 30401052442 is 24425010403.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 30251992761 + 149059681 = 173931^2 + 12209^2 .

It is not an unprimeable number, because it can be changed into a prime (30401052443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13686892 + ... + 13689112.

Almost surely, 2^30401052442 is an apocalyptic number.

30401052442 is a deficient number, since it is larger than the sum of its proper divisors (16911815798).

30401052442 is a wasteful number, since it uses less digits than its factorization.

30401052442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4066.

The product of its (nonzero) digits is 3840, while the sum is 25.

Adding to 30401052442 its reverse (24425010403), we get a palindrome (54826062845).

The spelling of 30401052442 in words is "thirty billion, four hundred one million, fifty-two thousand, four hundred forty-two".