32152723840 has 256 divisors, whose sum is σ = 81430272000. Its totient is φ = 12124569600.

The previous prime is 32152723831. The next prime is 32152723843. The reversal of 32152723840 is 4832725123.

It is a self number, because there is not a number n which added to its sum of digits gives 32152723840.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32152723843) 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, 231314491 + ... + 231314629.

It is an arithmetic number, because the mean of its divisors is an integer number (318087000).

Almost surely, 2^32152723840 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 32152723840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40715136000).

32152723840 is an abundant number, since it is smaller than the sum of its proper divisors (49277548160).

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

32152723840 is a wasteful number, since it uses less digits than its factorization.

32152723840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 409 (or 397 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 37.

The spelling of 32152723840 in words is "thirty-two billion, one hundred fifty-two million, seven hundred twenty-three thousand, eight hundred forty".