30247173488 has 80 divisors (see below), whose sum is σ = 68126782464. Its totient is φ = 12741442560.

The previous prime is 30247173487. The next prime is 30247173493. The reversal of 30247173488 is 88437174203.

It is a super-2 number, since 2×30247173488² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30247173487) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2674181 + ... + 2685467.

Almost surely, 2^30247173488 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 30247173488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34063391232).

30247173488 is an abundant number, since it is smaller than the sum of its proper divisors (37879608976).

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

30247173488 is a wasteful number, since it uses less digits than its factorization.

30247173488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11710 (or 11704 counting only the distinct ones).

The product of its (nonzero) digits is 903168, while the sum is 47.

The spelling of 30247173488 in words is "thirty billion, two hundred forty-seven million, one hundred seventy-three thousand, four hundred eighty-eight".