30712009155800 has 96 divisors (see below), whose sum is σ = 81622525824000. Its totient is φ = 10527724606080.

The previous prime is 30712009155787. The next prime is 30712009155829. The reversal of 30712009155800 is 855190021703.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4811801 + ... + 9196599.

It is an arithmetic number, because the mean of its divisors is an integer number (850234644000).

Almost surely, 2^{30712009155800} is an apocalyptic number.

It is an amenable number.

30712009155800 is an abundant number, since it is smaller than the sum of its proper divisors (50910516668200).

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

30712009155800 is a wasteful number, since it uses less digits than its factorization.

30712009155800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4389825 (or 4389816 counting only the distinct ones).

The product of its (nonzero) digits is 75600, while the sum is 41.

The spelling of 30712009155800 in words is "thirty trillion, seven hundred twelve billion, nine million, one hundred fifty-five thousand, eight hundred".