29057999140 has 24 divisors (see below), whose sum is σ = 62056068480. Its totient is φ = 11426195808.

The previous prime is 29057999123. The next prime is 29057999153. The reversal of 29057999140 is 4199975092.

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, 12311532 + ... + 12313891.

It is an arithmetic number, because the mean of its divisors is an integer number (2585669520).

Almost surely, 2^29057999140 is an apocalyptic number.

29057999140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

29057999140 is an abundant number, since it is smaller than the sum of its proper divisors (32998069340).

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

29057999140 is a wasteful number, since it uses less digits than its factorization.

29057999140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24625491 (or 24625489 counting only the distinct ones).

The product of its (nonzero) digits is 1837080, while the sum is 55.

The spelling of 29057999140 in words is "twenty-nine billion, fifty-seven million, nine hundred ninety-nine thousand, one hundred forty".