32464021968 has 320 divisors, whose sum is σ = 111969976320. Its totient is φ = 8804809728.

The previous prime is 32464021951. The next prime is 32464021979. The reversal of 32464021968 is 86912046423.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 9526921 + ... + 9530327.

It is an arithmetic number, because the mean of its divisors is an integer number (349906176).

Almost surely, 2^32464021968 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 32464021968, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (55984988160).

32464021968 is an abundant number, since it is smaller than the sum of its proper divisors (79505954352).

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

32464021968 is a wasteful number, since it uses less digits than its factorization.

32464021968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3591 (or 3579 counting only the distinct ones).

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

The spelling of 32464021968 in words is "thirty-two billion, four hundred sixty-four million, twenty-one thousand, nine hundred sixty-eight".