29427223340 has 48 divisors (see below), whose sum is σ = 62515052544. Its totient is φ = 11634840000.

The previous prime is 29427223253. The next prime is 29427223379. The reversal of 29427223340 is 4332272492.

It is a super-2 number, since 2×29427223340² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 29427223294 and 29427223303.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 666965 + ... + 709715.

It is an arithmetic number, because the mean of its divisors is an integer number (1302396928).

Almost surely, 2^29427223340 is an apocalyptic number.

29427223340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

29427223340 is an abundant number, since it is smaller than the sum of its proper divisors (33087829204).

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

29427223340 is a wasteful number, since it uses less digits than its factorization.

29427223340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43158 (or 43156 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 38.

The spelling of 29427223340 in words is "twenty-nine billion, four hundred twenty-seven million, two hundred twenty-three thousand, three hundred forty".