29919440907 has 16 divisors (see below), whose sum is σ = 44436763680. Its totient is φ = 19896044256.

The previous prime is 29919440879. The next prime is 29919440917. The reversal of 29919440907 is 70904491992.

29919440907 is a `hidden beast` number, since 29 + 91 + 9 + 440 + 90 + 7 = 666.

It is not a de Polignac number, because 29919440907 - 2⁷ = 29919440779 is a prime.

It is not an unprimeable number, because it can be changed into a prime (29919440917) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 1384908 + ... + 1406345.

It is an arithmetic number, because the mean of its divisors is an integer number (2777297730).

Almost surely, 2^29919440907 is an apocalyptic number.

29919440907 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

29919440907 is a deficient number, since it is larger than the sum of its proper divisors (14517322773).

29919440907 is a wasteful number, since it uses less digits than its factorization.

29919440907 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2791659 (or 2791653 counting only the distinct ones).

The product of its (nonzero) digits is 1469664, while the sum is 54.

The spelling of 29919440907 in words is "twenty-nine billion, nine hundred nineteen million, four hundred forty thousand, nine hundred seven".