29285251996 has 324 divisors, whose sum is σ = 73779686904. Its totient is φ = 10068347520.

The previous prime is 29285251991. The next prime is 29285251997. The reversal of 29285251996 is 69915258292.

It is a self number, because there is not a number n which added to its sum of digits gives 29285251996.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29285251991) by changing a digit.

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 107 ways as a sum of consecutive naturals, for example, 623090445 + ... + 623090491.

Almost surely, 2^29285251996 is an apocalyptic number.

29285251996 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 29285251996, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36889843452).

29285251996 is an abundant number, since it is smaller than the sum of its proper divisors (44494434908).

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

29285251996 is a wasteful number, since it uses less digits than its factorization.

29285251996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190 (or 123 counting only the distinct ones).

The product of its digits is 6998400, while the sum is 58.

The spelling of 29285251996 in words is "twenty-nine billion, two hundred eighty-five million, two hundred fifty-one thousand, nine hundred ninety-six".