29297034240 has 352 divisors, whose sum is σ = 98157744000. Its totient is φ = 7448297472.

The previous prime is 29297034203. The next prime is 29297034331. The reversal of 29297034240 is 4243079292.

It is a junction number, because it is equal to n+sod(n) for n = 29297034192 and 29297034201.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 39643791 + ... + 39644529.

Almost surely, 2^29297034240 is an apocalyptic number.

29297034240 is a gapful number since it is divisible by the number (20) 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 29297034240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (49078872000).

29297034240 is an abundant number, since it is smaller than the sum of its proper divisors (68860709760).

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

29297034240 is a wasteful number, since it uses less digits than its factorization.

29297034240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 885 (or 867 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 42.

The spelling of 29297034240 in words is "twenty-nine billion, two hundred ninety-seven million, thirty-four thousand, two hundred forty".