305034147640000 has 140 divisors (see below), whose sum is σ = 757661132659464. Its totient is φ = 121807892992000.

The previous prime is 305034147639971. The next prime is 305034147640043. The reversal of 305034147640000 is 46741430503.

It is a super-2 number, since 2×305034147640000² (a number of 30 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 17290107 + ... + 30149893.

Almost surely, 2^{305034147640000} 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 305034147640000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (378830566329732).

305034147640000 is an abundant number, since it is smaller than the sum of its proper divisors (452626985019464).

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

305034147640000 is an equidigital number, since it uses as much as digits as its factorization.

305034147640000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12860412 (or 12860387 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 37.

The spelling of 305034147640000 in words is "three hundred five trillion, thirty-four billion, one hundred forty-seven million, six hundred forty thousand".