308694530340 has 144 divisors (see below), whose sum is σ = 1071653506560. Its totient is φ = 70459027200.

The previous prime is 308694530293. The next prime is 308694530351. The reversal of 308694530340 is 43035496803.

308694530340 is a `hidden beast` number, since 3 + 0 + 86 + 9 + 4 + 530 + 34 + 0 = 666.

308694530340 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 720565 + ... + 1066115.

It is an arithmetic number, because the mean of its divisors is an integer number (7442038240).

Almost surely, 2^308694530340 is an apocalyptic number.

308694530340 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 308694530340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (535826753280).

308694530340 is an abundant number, since it is smaller than the sum of its proper divisors (762958976220).

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

308694530340 is a wasteful number, since it uses less digits than its factorization.

308694530340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 346282 (or 346277 counting only the distinct ones).

The product of its (nonzero) digits is 933120, while the sum is 45.

The spelling of 308694530340 in words is "three hundred eight billion, six hundred ninety-four million, five hundred thirty thousand, three hundred forty".