30447228240 has 320 divisors, whose sum is σ = 123209614080. Its totient is φ = 6813296640.

The previous prime is 30447228239. The next prime is 30447228241. The reversal of 30447228240 is 4282274403.

30447228240 is a `hidden beast` number, since 304 + 4 + 72 + 282 + 4 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (30447228239) and next prime (30447228241).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 30447228195 and 30447228204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30447228241) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 259594 + ... + 358166.

It is an arithmetic number, because the mean of its divisors is an integer number (385030044).

Almost surely, 2^30447228240 is an apocalyptic number.

30447228240 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 30447228240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61604807040).

30447228240 is an abundant number, since it is smaller than the sum of its proper divisors (92762385840).

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

30447228240 is a wasteful number, since it uses less digits than its factorization.

30447228240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98619 (or 98607 counting only the distinct ones).

The product of its (nonzero) digits is 86016, while the sum is 36.

The spelling of 30447228240 in words is "thirty billion, four hundred forty-seven million, two hundred twenty-eight thousand, two hundred forty".