30514324240 has 40 divisors (see below), whose sum is σ = 73234384128. Its totient is φ = 11811995520.

The previous prime is 30514324237. The next prime is 30514324289. The reversal of 30514324240 is 4242341503.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×30514324240² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 30514324199 and 30514324208.

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, 6149602 + ... + 6154561.

Almost surely, 2^30514324240 is an apocalyptic number.

It is an amenable number.

30514324240 is an abundant number, since it is smaller than the sum of its proper divisors (42720059888).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30514324240 is a wasteful number, since it uses less digits than its factorization.

30514324240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12304207 (or 12304201 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 28.

Adding to 30514324240 its reverse (4242341503), we get a palindrome (34756665743).

The spelling of 30514324240 in words is "thirty billion, five hundred fourteen million, three hundred twenty-four thousand, two hundred forty".