29959446420 has 72 divisors (see below), whose sum is σ = 90935260416. Its totient is φ = 7984062912.

The previous prime is 29959446401. The next prime is 29959446437. The reversal of 29959446420 is 2464495992.

29959446420 is a `hidden beast` number, since 2 + 9 + 9 + 594 + 4 + 6 + 42 + 0 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 232369 + ... + 337511.

It is an arithmetic number, because the mean of its divisors is an integer number (1262989728).

Almost surely, 2^29959446420 is an apocalyptic number.

29959446420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

29959446420 is an abundant number, since it is smaller than the sum of its proper divisors (60975813996).

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

29959446420 is a wasteful number, since it uses less digits than its factorization.

29959446420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106741 (or 106736 counting only the distinct ones).

The product of its (nonzero) digits is 5598720, while the sum is 54.

The spelling of 29959446420 in words is "twenty-nine billion, nine hundred fifty-nine million, four hundred forty-six thousand, four hundred twenty".