29907374644 has 48 divisors (see below), whose sum is σ = 63363831552. Its totient is φ = 12057656832.

The previous prime is 29907374639. The next prime is 29907374647. The reversal of 29907374644 is 44647370992.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29907374647) 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, 1050769 + ... + 1078855.

It is an arithmetic number, because the mean of its divisors is an integer number (1320079824).

Almost surely, 2^29907374644 is an apocalyptic number.

It is an amenable number.

29907374644 is an abundant number, since it is smaller than the sum of its proper divisors (33456456908).

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

29907374644 is a wasteful number, since it uses less digits than its factorization.

29907374644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30352 (or 30350 counting only the distinct ones).

The product of its (nonzero) digits is 9144576, while the sum is 55.

The spelling of 29907374644 in words is "twenty-nine billion, nine hundred seven million, three hundred seventy-four thousand, six hundred forty-four".