32465346440 has 64 divisors (see below), whose sum is σ = 75529359360. Its totient is φ = 12546236160.

The previous prime is 32465346427. The next prime is 32465346443. The reversal of 32465346440 is 4464356423.

It is not an unprimeable number, because it can be changed into a prime (32465346443) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 731114 + ... + 774246.

It is an arithmetic number, because the mean of its divisors is an integer number (1180146240).

Almost surely, 2^32465346440 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 32465346440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37764679680).

32465346440 is an abundant number, since it is smaller than the sum of its proper divisors (43064012920).

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

32465346440 is a wasteful number, since it uses less digits than its factorization.

32465346440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43782 (or 43778 counting only the distinct ones).

The product of its (nonzero) digits is 829440, while the sum is 41.

The spelling of 32465346440 in words is "thirty-two billion, four hundred sixty-five million, three hundred forty-six thousand, four hundred forty".