30125512340 has 192 divisors, whose sum is σ = 80274475008. Its totient is φ = 9224409600.

The previous prime is 30125512331. The next prime is 30125512381. The reversal of 30125512340 is 4321552103.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 26969462 + ... + 26970578.

It is an arithmetic number, because the mean of its divisors is an integer number (418096224).

Almost surely, 2^30125512340 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30125512340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40137237504).

30125512340 is an abundant number, since it is smaller than the sum of its proper divisors (50148962668).

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

30125512340 is a wasteful number, since it uses less digits than its factorization.

30125512340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1438 (or 1436 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 26.

The spelling of 30125512340 in words is "thirty billion, one hundred twenty-five million, five hundred twelve thousand, three hundred forty".