30472168545 has 128 divisors (see below), whose sum is σ = 67202580480. Its totient is φ = 12756683520.

The previous prime is 30472168541. The next prime is 30472168579. The reversal of 30472168545 is 54586127403.

30472168545 is a `hidden beast` number, since 3 + 0 + 47 + 2 + 1 + 68 + 545 = 666.

It is not a de Polignac number, because 30472168545 - 2² = 30472168541 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 30472168545.

It is not an unprimeable number, because it can be changed into a prime (30472168541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 1550430 + ... + 1569960.

It is an arithmetic number, because the mean of its divisors is an integer number (525020160).

Almost surely, 2^30472168545 is an apocalyptic number.

30472168545 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

30472168545 is an abundant number, since it is smaller than the sum of its proper divisors (36730411935).

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

30472168545 is a wasteful number, since it uses less digits than its factorization.

30472168545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19692 (or 19686 counting only the distinct ones).

The product of its (nonzero) digits is 806400, while the sum is 45.

The spelling of 30472168545 in words is "thirty billion, four hundred seventy-two million, one hundred sixty-eight thousand, five hundred forty-five".