29443940000 has 60 divisors (see below), whose sum is σ = 72436558194. Its totient is φ = 11777568000.

The previous prime is 29443939999. The next prime is 29443940003. The reversal of 29443940000 is 4934492.

It can be written as a sum of positive squares in 5 ways, for example, as 3418507024 + 26025432976 = 58468^2 + 161324^2 .

It is not an unprimeable number, because it can be changed into a prime (29443940003) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 716099 + ... + 756098.

Almost surely, 2^29443940000 is an apocalyptic number.

29443940000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

29443940000 is an abundant number, since it is smaller than the sum of its proper divisors (42992618194).

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

29443940000 is an equidigital number, since it uses as much as digits as its factorization.

29443940000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1472227 (or 1472204 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 35.

The spelling of 29443940000 in words is "twenty-nine billion, four hundred forty-three million, nine hundred forty thousand".