30240397500 has 120 divisors (see below), whose sum is σ = 88513966464. Its totient is φ = 8032920000.

The previous prime is 30240397489. The next prime is 30240397507. The reversal of 30240397500 is 579304203.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30240397507) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1964835 + ... + 1980165.

Almost surely, 2^30240397500 is an apocalyptic number.

30240397500 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30240397500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44256983232).

30240397500 is an abundant number, since it is smaller than the sum of its proper divisors (58273568964).

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

30240397500 is a wasteful number, since it uses less digits than its factorization.

30240397500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15621 (or 15604 counting only the distinct ones).

The product of its (nonzero) digits is 22680, while the sum is 33.

The spelling of 30240397500 in words is "thirty billion, two hundred forty million, three hundred ninety-seven thousand, five hundred".