30625334532 has 144 divisors (see below), whose sum is σ = 87374222208. Its totient is φ = 8974056960.

The previous prime is 30625334513. The next prime is 30625334533. The reversal of 30625334532 is 23543352603.

30625334532 is a `hidden beast` number, since 30 + 6 + 253 + 345 + 32 = 666.

It is a super-2 number, since 2×30625334532² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (30625334533) 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 47 ways as a sum of consecutive naturals, for example, 2501907 + ... + 2514117.

It is an arithmetic number, because the mean of its divisors is an integer number (606765432).

Almost surely, 2^30625334532 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30625334532, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43687111104).

30625334532 is an abundant number, since it is smaller than the sum of its proper divisors (56748887676).

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

30625334532 is a wasteful number, since it uses less digits than its factorization.

30625334532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12490 (or 12485 counting only the distinct ones).

The product of its (nonzero) digits is 194400, while the sum is 36.

The spelling of 30625334532 in words is "thirty billion, six hundred twenty-five million, three hundred thirty-four thousand, five hundred thirty-two".