32641960428 has 288 divisors, whose sum is σ = 104387931648. Its totient is φ = 8424155520.

The previous prime is 32641960399. The next prime is 32641960487. The reversal of 32641960428 is 82406914623.

32641960428 is a `hidden beast` number, since 3 + 2 + 6 + 4 + 19 + 604 + 28 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 102971326 + ... + 102971642.

It is an arithmetic number, because the mean of its divisors is an integer number (362458096).

Almost surely, 2^32641960428 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 32641960428, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (52193965824).

32641960428 is an abundant number, since it is smaller than the sum of its proper divisors (71745971220).

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

32641960428 is a wasteful number, since it uses less digits than its factorization.

32641960428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 674 (or 647 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 45.

The spelling of 32641960428 in words is "thirty-two billion, six hundred forty-one million, nine hundred sixty thousand, four hundred twenty-eight".