29140275780 has 576 divisors, whose sum is σ = 113384613888. Its totient is φ = 5883217920.

The previous prime is 29140275751. The next prime is 29140275881. The reversal of 29140275780 is 8757204192.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 83977567 + ... + 83977913.

It is an arithmetic number, because the mean of its divisors is an integer number (196848288).

Almost surely, 2^29140275780 is an apocalyptic number.

29140275780 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 29140275780, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (56692306944).

29140275780 is an abundant number, since it is smaller than the sum of its proper divisors (84244338108).

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

29140275780 is a wasteful number, since it uses less digits than its factorization.

29140275780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 536 (or 531 counting only the distinct ones).

The product of its (nonzero) digits is 282240, while the sum is 45.

The spelling of 29140275780 in words is "twenty-nine billion, one hundred forty million, two hundred seventy-five thousand, seven hundred eighty".