30472861446 has 48 divisors (see below), whose sum is σ = 68487427008. Its totient is φ = 10155018600.

The previous prime is 30472861439. The next prime is 30472861451. The reversal of 30472861446 is 64416827403.

30472861446 is a `hidden beast` number, since 3 + 0 + 4 + 7 + 28 + 614 + 4 + 6 = 666.

It is a super-2 number, since 2×30472861446² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3247141 + ... + 3256511.

It is an arithmetic number, because the mean of its divisors is an integer number (1426821396).

Almost surely, 2^30472861446 is an apocalyptic number.

30472861446 is an abundant number, since it is smaller than the sum of its proper divisors (38014565562).

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

30472861446 is an equidigital number, since it uses as much as digits as its factorization.

30472861446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16079 (or 16067 counting only the distinct ones).

The product of its (nonzero) digits is 774144, while the sum is 45.

The spelling of 30472861446 in words is "thirty billion, four hundred seventy-two million, eight hundred sixty-one thousand, four hundred forty-six".