30767472420 has 24 divisors (see below), whose sum is σ = 86148922944. Its totient is φ = 8204659296.

The previous prime is 30767472419. The next prime is 30767472443. The reversal of 30767472420 is 2427476703.

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, 256395544 + ... + 256395663.

It is an arithmetic number, because the mean of its divisors is an integer number (3589538456).

Almost surely, 2^30767472420 is an apocalyptic number.

30767472420 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

30767472420 is an abundant number, since it is smaller than the sum of its proper divisors (55381450524).

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

30767472420 is a wasteful number, since it uses less digits than its factorization.

30767472420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 512791219 (or 512791217 counting only the distinct ones).

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

The spelling of 30767472420 in words is "thirty billion, seven hundred sixty-seven million, four hundred seventy-two thousand, four hundred twenty".