30134888240 has 40 divisors (see below), whose sum is σ = 70145339280. Its totient is φ = 12039895296.

The previous prime is 30134888237. The next prime is 30134888261. The reversal of 30134888240 is 4288843103.

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

It is a super-2 number, since 2×30134888240² (a number of 22 digits) contains 22 as substring.

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, 150539 + ... + 287978.

It is an arithmetic number, because the mean of its divisors is an integer number (1753633482).

Almost surely, 2^30134888240 is an apocalyptic number.

It is an amenable number.

30134888240 is an abundant number, since it is smaller than the sum of its proper divisors (40010451040).

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

30134888240 is a wasteful number, since it uses less digits than its factorization.

30134888240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 439389 (or 439383 counting only the distinct ones).

The product of its (nonzero) digits is 147456, while the sum is 41.

The spelling of 30134888240 in words is "thirty billion, one hundred thirty-four million, eight hundred eighty-eight thousand, two hundred forty".