306245632680540 has 96 divisors (see below), whose sum is σ = 1088873360655360. Its totient is φ = 69999001754688.

The previous prime is 306245632680523. The next prime is 306245632680557. The reversal of 306245632680540 is 45086236542603.

It is a happy number.

306245632680540 is a `hidden beast` number, since 3 + 0 + 6 + 2 + 4 + 5 + 6 + 32 + 68 + 0 + 540 = 666.

It is an interprime number because it is at equal distance from previous prime (306245632680523) and next prime (306245632680557).

It is a hoax number, since the sum of its digits (54) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 40508677792 + ... + 40508685351.

It is an arithmetic number, because the mean of its divisors is an integer number (11342430840160).

Almost surely, 2^{306245632680540} is an apocalyptic number.

306245632680540 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

306245632680540 is an abundant number, since it is smaller than the sum of its proper divisors (782627727974820).

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

306245632680540 is a wasteful number, since it uses less digits than its factorization.

306245632680540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81017363168 (or 81017363160 counting only the distinct ones).

The product of its (nonzero) digits is 24883200, while the sum is 54.

The spelling of 306245632680540 in words is "three hundred six trillion, two hundred forty-five billion, six hundred thirty-two million, six hundred eighty thousand, five hundred forty".