29555952979884 has 48 divisors (see below), whose sum is σ = 72327611397888. Its totient is φ = 9375801443008.

The previous prime is 29555952979867. The next prime is 29555952979933. The reversal of 29555952979884 is 48897925955592.

It is a super-2 number, since 2×29555952979884² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 29555952979884.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 271739502 + ... + 271848245.

It is an arithmetic number, because the mean of its divisors is an integer number (1506825237456).

Almost surely, 2^{29555952979884} is an apocalyptic number.

It is an amenable number.

29555952979884 is an abundant number, since it is smaller than the sum of its proper divisors (42771658418004).

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

29555952979884 is a wasteful number, since it uses less digits than its factorization.

29555952979884 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 543587974 (or 543587972 counting only the distinct ones).

The product of its digits is 29393280000, while the sum is 87.

The spelling of 29555952979884 in words is "twenty-nine trillion, five hundred fifty-five billion, nine hundred fifty-two million, nine hundred seventy-nine thousand, eight hundred eighty-four".