30725029248 has 64 divisors (see below), whose sum is σ = 82236496320. Its totient is φ = 10163479040.

The previous prime is 30725029241. The next prime is 30725029267. The reversal of 30725029248 is 84292052703.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30725029241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 255090 + ... + 355697.

It is an arithmetic number, because the mean of its divisors is an integer number (1284945255).

Almost surely, 2^30725029248 is an apocalyptic number.

It is an amenable number.

30725029248 is an abundant number, since it is smaller than the sum of its proper divisors (51511467072).

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

30725029248 is a wasteful number, since it uses less digits than its factorization.

30725029248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 610935 (or 610923 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 42.

The spelling of 30725029248 in words is "thirty billion, seven hundred twenty-five million, twenty-nine thousand, two hundred forty-eight".