29166265140 has 48 divisors (see below), whose sum is σ = 81854219328. Its totient is φ = 7759701504.

The previous prime is 29166265129. The next prime is 29166265181. The reversal of 29166265140 is 4156266192.

It is a junction number, because it is equal to n+sod(n) for n = 29166265092 and 29166265101.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 535342 + ... + 587301.

It is an arithmetic number, because the mean of its divisors is an integer number (1705296236).

Almost surely, 2^29166265140 is an apocalyptic number.

29166265140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

29166265140 is an abundant number, since it is smaller than the sum of its proper divisors (52687954188).

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

29166265140 is a wasteful number, since it uses less digits than its factorization.

29166265140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1123088 (or 1123086 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 42.

The spelling of 29166265140 in words is "twenty-nine billion, one hundred sixty-six million, two hundred sixty-five thousand, one hundred forty".