30542243450 has 24 divisors (see below), whose sum is σ = 57371043420. Its totient is φ = 12095936000.

The previous prime is 30542243441. The next prime is 30542243477. The reversal of 30542243450 is 5434224503.

It can be written as a sum of positive squares in 6 ways, for example, as 15045230281 + 15497013169 = 122659^2 + 124487^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3018935 + ... + 3029034.

Almost surely, 2^30542243450 is an apocalyptic number.

30542243450 is a deficient number, since it is larger than the sum of its proper divisors (26828799970).

30542243450 is a wasteful number, since it uses less digits than its factorization.

30542243450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6048082 (or 6048077 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 32.

Adding to 30542243450 its reverse (5434224503), we get a palindrome (35976467953).

The spelling of 30542243450 in words is "thirty billion, five hundred forty-two million, two hundred forty-three thousand, four hundred fifty".