29124501971140 has 24 divisors (see below), whose sum is σ = 61161648027480. Its totient is φ = 11649763857408.

The previous prime is 29124501971137. The next prime is 29124501971189. The reversal of 29124501971140 is 4117910542192.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 3166129127044 + 25958372844096 = 1779362^2 + 5094936^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4673556 + ... + 8949364.

It is an arithmetic number, because the mean of its divisors is an integer number (2548402001145).

Almost surely, 2^{29124501971140} is an apocalyptic number.

29124501971140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

29124501971140 is an abundant number, since it is smaller than the sum of its proper divisors (32037146056340).

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

29124501971140 is a wasteful number, since it uses less digits than its factorization.

29124501971140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4616391 (or 4616389 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 46.

The spelling of 29124501971140 in words is "twenty-nine trillion, one hundred twenty-four billion, five hundred one million, nine hundred seventy-one thousand, one hundred forty".