29770040850 has 96 divisors (see below), whose sum is σ = 81676200960. Its totient is φ = 7115304000.

The previous prime is 29770040813. The next prime is 29770040873. The reversal of 29770040850 is 5804007792.

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

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 47 ways as a sum of consecutive naturals, for example, 9910 + ... + 244209.

It is an arithmetic number, because the mean of its divisors is an integer number (850793760).

Almost surely, 2^29770040850 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 29770040850, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40838100480).

29770040850 is an abundant number, since it is smaller than the sum of its proper divisors (51906160110).

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

29770040850 is a wasteful number, since it uses less digits than its factorization.

29770040850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 254216 (or 254211 counting only the distinct ones).

The product of its (nonzero) digits is 141120, while the sum is 42.

The spelling of 29770040850 in words is "twenty-nine billion, seven hundred seventy million, forty thousand, eight hundred fifty".