69216812140 has 96 divisors (see below), whose sum is σ = 167352966144. Its totient is φ = 23555854080.

The previous prime is 69216812129. The next prime is 69216812149. The reversal of 69216812140 is 4121861296.

It is a junction number, because it is equal to n+sod(n) for n = 69216812093 and 69216812102.

It is not an unprimeable number, because it can be changed into a prime (69216812149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17605975 + ... + 17609905.

It is an arithmetic number, because the mean of its divisors is an integer number (1743260064).

Almost surely, 2^69216812140 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 69216812140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (83676483072).

69216812140 is an abundant number, since it is smaller than the sum of its proper divisors (98136154004).

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

69216812140 is a wasteful number, since it uses less digits than its factorization.

69216812140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4847 (or 4845 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 40.

The spelling of 69216812140 in words is "sixty-nine billion, two hundred sixteen million, eight hundred twelve thousand, one hundred forty".