32069028140 has 48 divisors (see below), whose sum is σ = 71476927200. Its totient is φ = 12044178432.

The previous prime is 32069028127. The next prime is 32069028143. The reversal of 32069028140 is 4182096023.

It is a super-2 number, since 2×32069028140² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 32069028140.

It is not an unprimeable number, because it can be changed into a prime (32069028143) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29906 + ... + 255014.

It is an arithmetic number, because the mean of its divisors is an integer number (1489102650).

Almost surely, 2^32069028140 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 32069028140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35738463600).

32069028140 is an abundant number, since it is smaller than the sum of its proper divisors (39407899060).

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

32069028140 is a wasteful number, since it uses less digits than its factorization.

32069028140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225554 (or 225552 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 35.

The spelling of 32069028140 in words is "thirty-two billion, sixty-nine million, twenty-eight thousand, one hundred forty".