30045534520 has 32 divisors (see below), whose sum is σ = 67771073520. Its totient is φ = 11988236800.

The previous prime is 30045534517. The next prime is 30045534529. The reversal of 30045534520 is 2543554003.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30045534529) 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, 920542 + ... + 952621.

Almost surely, 2^30045534520 is an apocalyptic number.

It is an amenable number.

30045534520 is an abundant number, since it is smaller than the sum of its proper divisors (37725539000).

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

30045534520 is a wasteful number, since it uses less digits than its factorization.

30045534520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1873575 (or 1873571 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 31.

The spelling of 30045534520 in words is "thirty billion, forty-five million, five hundred thirty-four thousand, five hundred twenty".