32440691024 has 80 divisors (see below), whose sum is σ = 74735026176. Its totient is φ = 13348540800.

The previous prime is 32440690987. The next prime is 32440691081. The reversal of 32440691024 is 42019604423.

It is a super-2 number, since 2×32440691024² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 404159 + ... + 477729.

Almost surely, 2^32440691024 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 32440691024, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37367513088).

32440691024 is an abundant number, since it is smaller than the sum of its proper divisors (42294335152).

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

32440691024 is a wasteful number, since it uses less digits than its factorization.

32440691024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73744 (or 73738 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 35.

The spelling of 32440691024 in words is "thirty-two billion, four hundred forty million, six hundred ninety-one thousand, twenty-four".