30409211880 has 48 divisors (see below), whose sum is σ = 98829939780. Its totient is φ = 8109123072.

The previous prime is 30409211879. The next prime is 30409211891. The reversal of 30409211880 is 8811290403.

30409211880 is a `hidden beast` number, since 30 + 409 + 211 + 8 + 8 + 0 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 29895101604 + 514110276 = 172902^2 + 22674^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 42234657 + ... + 42235376.

Almost surely, 2^30409211880 is an apocalyptic number.

30409211880 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

30409211880 is an abundant number, since it is smaller than the sum of its proper divisors (68420727900).

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

30409211880 is a wasteful number, since it uses less digits than its factorization.

30409211880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84470050 (or 84470043 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 36.

The spelling of 30409211880 in words is "thirty billion, four hundred nine million, two hundred eleven thousand, eight hundred eighty".