308589149340 has 144 divisors (see below), whose sum is σ = 954638848800. Its totient is φ = 80659597824.

The previous prime is 308589149339. The next prime is 308589149347. The reversal of 308589149340 is 43941985803.

308589149340 is a `hidden beast` number, since 3 + 0 + 8 + 589 + 14 + 9 + 3 + 40 = 666.

It is a super-3 number, since 3×308589149340³ (a number of 35 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (308589149347) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 10183131 + ... + 10213389.

It is an arithmetic number, because the mean of its divisors is an integer number (6629436450).

Almost surely, 2^308589149340 is an apocalyptic number.

308589149340 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 308589149340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (477319424400).

308589149340 is an abundant number, since it is smaller than the sum of its proper divisors (646049699460).

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

308589149340 is a wasteful number, since it uses less digits than its factorization.

308589149340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31396 (or 31391 counting only the distinct ones).

The product of its (nonzero) digits is 3732480, while the sum is 54.

The spelling of 308589149340 in words is "three hundred eight billion, five hundred eighty-nine million, one hundred forty-nine thousand, three hundred forty".