30544513040 has 40 divisors (see below), whose sum is σ = 71194948440. Its totient is φ = 12187017216.

The previous prime is 30544513033. The next prime is 30544513091. The reversal of 30544513040 is 4031544503.

It can be written as a sum of positive squares in 4 ways, for example, as 6237208576 + 24307304464 = 78976^2 + 155908^2 .

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 = 30544512994 and 30544513012.

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, 449105 + ... + 512624.

It is an arithmetic number, because the mean of its divisors is an integer number (1779873711).

Almost surely, 2^30544513040 is an apocalyptic number.

It is an amenable number.

30544513040 is an abundant number, since it is smaller than the sum of its proper divisors (40650435400).

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

30544513040 is a wasteful number, since it uses less digits than its factorization.

30544513040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 962139 (or 962133 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 29.

The spelling of 30544513040 in words is "thirty billion, five hundred forty-four million, five hundred thirteen thousand, forty".