28740962736140 has 48 divisors (see below), whose sum is σ = 60468824293920. Its totient is φ = 11474903400960.

The previous prime is 28740962736137. The next prime is 28740962736163. The reversal of 28740962736140 is 4163726904782.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 28740962736140.

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 15 ways as a sum of consecutive naturals, for example, 105618455 + ... + 105890225.

It is an arithmetic number, because the mean of its divisors is an integer number (1259767172790).

Almost surely, 2^{28740962736140} is an apocalyptic number.

28740962736140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

28740962736140 is an abundant number, since it is smaller than the sum of its proper divisors (31727861557780).

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

28740962736140 is a wasteful number, since it uses less digits than its factorization.

28740962736140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 281642 (or 281640 counting only the distinct ones).

The product of its (nonzero) digits is 24385536, while the sum is 59.

The spelling of 28740962736140 in words is "twenty-eight trillion, seven hundred forty billion, nine hundred sixty-two million, seven hundred thirty-six thousand, one hundred forty".