30418728311020 has 48 divisors (see below), whose sum is σ = 76847313634560. Its totient is φ = 9880368894144.

The previous prime is 30418728310967. The next prime is 30418728311063. The reversal of 30418728311020 is 2011382781403.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5717803414 + ... + 5717808733.

It is an arithmetic number, because the mean of its divisors is an integer number (1600985700720).

Almost surely, 2^{30418728311020} is an apocalyptic number.

It is an amenable number.

30418728311020 is an abundant number, since it is smaller than the sum of its proper divisors (46428585323540).

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

30418728311020 is a wasteful number, since it uses less digits than its factorization.

30418728311020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11435612182 (or 11435612180 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 40.

The spelling of 30418728311020 in words is "thirty trillion, four hundred eighteen billion, seven hundred twenty-eight million, three hundred eleven thousand, twenty".