29855055234972 has 24 divisors (see below), whose sum is σ = 75994686052992. Its totient is φ = 9046986434800.

The previous prime is 29855055234971. The next prime is 29855055234997. The reversal of 29855055234972 is 27943255055892.

It is a Harshad number since it is a multiple of its sum of digits (66).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29855055234971) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 113087330304 + ... + 113087330567.

It is an arithmetic number, because the mean of its divisors is an integer number (3166445252208).

Almost surely, 2^{29855055234972} is an apocalyptic number.

29855055234972 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

29855055234972 is an abundant number, since it is smaller than the sum of its proper divisors (46139630818020).

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

29855055234972 is a wasteful number, since it uses less digits than its factorization.

29855055234972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 226174660889 (or 226174660887 counting only the distinct ones).

The product of its (nonzero) digits is 272160000, while the sum is 66.

The spelling of 29855055234972 in words is "twenty-nine trillion, eight hundred fifty-five billion, fifty-five million, two hundred thirty-four thousand, nine hundred seventy-two".