30047654471556 has 12 divisors (see below), whose sum is σ = 70111193766992. Its totient is φ = 10015884823848.

The previous prime is 30047654471509. The next prime is 30047654471591. The reversal of 30047654471556 is 65517445674003.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×30047654471556² (a number of 28 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (57) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 30047654471496 and 30047654471505.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1251985602970 + ... + 1251985602993.

Almost surely, 2^{30047654471556} is an apocalyptic number.

It is an amenable number.

30047654471556 is an abundant number, since it is smaller than the sum of its proper divisors (40063539295436).

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

30047654471556 is a wasteful number, since it uses less digits than its factorization.

30047654471556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2503971205970 (or 2503971205968 counting only the distinct ones).

The product of its (nonzero) digits is 42336000, while the sum is 57.

The spelling of 30047654471556 in words is "thirty trillion, forty-seven billion, six hundred fifty-four million, four hundred seventy-one thousand, five hundred fifty-six".