29444447430 has 32 divisors (see below), whose sum is σ = 78518527200. Its totient is φ = 7851852576.

The previous prime is 29444447419. The next prime is 29444447437. The reversal of 29444447430 is 3474444492.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29444447437) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 54526485 + ... + 54527024.

It is an arithmetic number, because the mean of its divisors is an integer number (2453703975).

Almost surely, 2^29444447430 is an apocalyptic number.

29444447430 is an abundant number, since it is smaller than the sum of its proper divisors (49074079770).

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

29444447430 is a wasteful number, since it uses less digits than its factorization.

29444447430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109053525 (or 109053519 counting only the distinct ones).

The product of its (nonzero) digits is 1548288, while the sum is 45.

The spelling of 29444447430 in words is "twenty-nine billion, four hundred forty-four million, four hundred forty-seven thousand, four hundred thirty".