30476772240 has 40 divisors (see below), whose sum is σ = 94477994688. Its totient is φ = 8127139200.

The previous prime is 30476772203. The next prime is 30476772251. The reversal of 30476772240 is 4227767403.

It is a tau number, because it is divible by the number of its divisors (40).

It is a junction number, because it is equal to n+sod(n) for n = 30476772192 and 30476772201.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 63493036 + ... + 63493515.

Almost surely, 2^30476772240 is an apocalyptic number.

30476772240 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

30476772240 is an abundant number, since it is smaller than the sum of its proper divisors (64001222448).

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

30476772240 is a wasteful number, since it uses less digits than its factorization.

30476772240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126986567 (or 126986561 counting only the distinct ones).

The product of its (nonzero) digits is 395136, while the sum is 42.

The spelling of 30476772240 in words is "thirty billion, four hundred seventy-six million, seven hundred seventy-two thousand, two hundred forty".