30889272240 has 100 divisors (see below), whose sum is σ = 107283041184. Its totient is φ = 8237137536.

The previous prime is 30889272217. The next prime is 30889272259. The reversal of 30889272240 is 4227298803.

30889272240 is a `hidden beast` number, since 308 + 89 + 27 + 2 + 240 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 2376952 + ... + 2389911.

Almost surely, 2^30889272240 is an apocalyptic number.

30889272240 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

30889272240 is an abundant number, since it is smaller than the sum of its proper divisors (76393768944).

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

30889272240 is a wasteful number, since it uses less digits than its factorization.

30889272240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4766888 (or 4766873 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 45.

The spelling of 30889272240 in words is "thirty billion, eight hundred eighty-nine million, two hundred seventy-two thousand, two hundred forty".