29980363842 has 96 divisors (see below), whose sum is σ = 78863594880. Its totient is φ = 8386092000.

The previous prime is 29980363813. The next prime is 29980363871. The reversal of 29980363842 is 24836308992.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (29980363813) and next prime (29980363871).

It is a Harshad number since it is a multiple of its sum of digits (54).

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 47 ways as a sum of consecutive naturals, for example, 91534 + ... + 261417.

It is an arithmetic number, because the mean of its divisors is an integer number (821495780).

Almost surely, 2^29980363842 is an apocalyptic number.

29980363842 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

29980363842 is an abundant number, since it is smaller than the sum of its proper divisors (48883231038).

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

29980363842 is a wasteful number, since it uses less digits than its factorization.

29980363842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 352997 (or 352980 counting only the distinct ones).

The product of its (nonzero) digits is 4478976, while the sum is 54.

The spelling of 29980363842 in words is "twenty-nine billion, nine hundred eighty million, three hundred sixty-three thousand, eight hundred forty-two".