29097859140 has 216 divisors, whose sum is σ = 102994399872. Its totient is φ = 6630180480.

The previous prime is 29097859129. The next prime is 29097859169. The reversal of 29097859140 is 4195879092.

29097859140 is a `hidden beast` number, since 2 + 9 + 0 + 9 + 7 + 8 + 591 + 40 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 2914437 + ... + 2924403.

Almost surely, 2^29097859140 is an apocalyptic number.

29097859140 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 29097859140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (51497199936).

29097859140 is an abundant number, since it is smaller than the sum of its proper divisors (73896540732).

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

29097859140 is a wasteful number, since it uses less digits than its factorization.

29097859140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10327 (or 10315 counting only the distinct ones).

The product of its (nonzero) digits is 1632960, while the sum is 54.

The spelling of 29097859140 in words is "twenty-nine billion, ninety-seven million, eight hundred fifty-nine thousand, one hundred forty".