29999000340 has 72 divisors (see below), whose sum is σ = 91036862280. Its totient is φ = 7996226304.

The previous prime is 29999000333. The next prime is 29999000357. The reversal of 29999000340 is 4300099992.

It can be written as a sum of positive squares in 4 ways, for example, as 5892711696 + 24106288644 = 76764^2 + 155262^2 .

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 388906 + ... + 459614.

It is an arithmetic number, because the mean of its divisors is an integer number (1264400865).

Almost surely, 2^29999000340 is an apocalyptic number.

29999000340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

29999000340 is an abundant number, since it is smaller than the sum of its proper divisors (61037861940).

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

29999000340 is a wasteful number, since it uses less digits than its factorization.

29999000340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73081 (or 73076 counting only the distinct ones).

The product of its (nonzero) digits is 157464, while the sum is 45.

The spelling of 29999000340 in words is "twenty-nine billion, nine hundred ninety-nine million, three hundred forty", and thus it is an aban number.