29942336420 has 24 divisors (see below), whose sum is σ = 64907259648. Its totient is φ = 11590581600.

The previous prime is 29942336387. The next prime is 29942336467. The reversal of 29942336420 is 2463324992.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24146426 + ... + 24147665.

It is an arithmetic number, because the mean of its divisors is an integer number (2704469152).

Almost surely, 2^29942336420 is an apocalyptic number.

29942336420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

29942336420 is an abundant number, since it is smaller than the sum of its proper divisors (34964923228).

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

29942336420 is a wasteful number, since it uses less digits than its factorization.

29942336420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48294131 (or 48294129 counting only the distinct ones).

The product of its (nonzero) digits is 559872, while the sum is 44.

The spelling of 29942336420 in words is "twenty-nine billion, nine hundred forty-two million, three hundred thirty-six thousand, four hundred twenty".