30400244242 has 16 divisors (see below), whose sum is σ = 46982796120. Its totient is φ = 14745757312.

The previous prime is 30400244239. The next prime is 30400244269. The reversal of 30400244242 is 24244200403.

It can be written as a sum of positive squares in 4 ways, for example, as 28669601041 + 1730643201 = 169321^2 + 41601^2 .

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, 1601773 + ... + 1620640.

Almost surely, 2^30400244242 is an apocalyptic number.

30400244242 is a deficient number, since it is larger than the sum of its proper divisors (16582551878).

30400244242 is a wasteful number, since it uses less digits than its factorization.

30400244242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3222557.

The product of its (nonzero) digits is 6144, while the sum is 25.

Adding to 30400244242 its reverse (24244200403), we get a palindrome (54644444645).

The spelling of 30400244242 in words is "thirty billion, four hundred million, two hundred forty-four thousand, two hundred forty-two".