32157442368 has 224 divisors, whose sum is σ = 97973205120. Its totient is φ = 10334822400.

The previous prime is 32157442327. The next prime is 32157442397. The reversal of 32157442368 is 86324475123.

32157442368 is a `hidden beast` number, since 3 + 2 + 1 + 574 + 42 + 36 + 8 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7222543 + ... + 7226993.

It is an arithmetic number, because the mean of its divisors is an integer number (437380380).

Almost surely, 2^32157442368 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 32157442368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48986602560).

32157442368 is an abundant number, since it is smaller than the sum of its proper divisors (65815762752).

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

32157442368 is a wasteful number, since it uses less digits than its factorization.

32157442368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4622 (or 4606 counting only the distinct ones).

The product of its digits is 967680, while the sum is 45.

The spelling of 32157442368 in words is "thirty-two billion, one hundred fifty-seven million, four hundred forty-two thousand, three hundred sixty-eight".