32464573007440 has 160 divisors (see below), whose sum is σ = 88679252664576. Its totient is φ = 10820855992320.

The previous prime is 32464573007387. The next prime is 32464573007473. The reversal of 32464573007440 is 4470037546423.

It is a super-3 number, since 3×32464573007440³ (a number of 42 digits) contains 333 as substring.

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, 3999514 + ... + 8995846.

Almost surely, 2^{32464573007440} 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 32464573007440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44339626332288).

32464573007440 is an abundant number, since it is smaller than the sum of its proper divisors (56214679657136).

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

32464573007440 is a wasteful number, since it uses less digits than its factorization.

32464573007440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4996677 (or 4996671 counting only the distinct ones).

The product of its (nonzero) digits is 6773760, while the sum is 49.

The spelling of 32464573007440 in words is "thirty-two trillion, four hundred sixty-four billion, five hundred seventy-three million, seven thousand, four hundred forty".