32643602144 has 24 divisors (see below), whose sum is σ = 66340225728. Its totient is φ = 15795290880.

The previous prime is 32643602141. The next prime is 32643602153. The reversal of 32643602144 is 44120634623.

It is a super-2 number, since 2×32643602144² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32643602141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16452437 + ... + 16454420.

It is an arithmetic number, because the mean of its divisors is an integer number (2764176072).

Almost surely, 2^32643602144 is an apocalyptic number.

It is an amenable number.

32643602144 is an abundant number, since it is smaller than the sum of its proper divisors (33696623584).

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

32643602144 is a wasteful number, since it uses less digits than its factorization.

32643602144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32906898 (or 32906890 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 35.

The spelling of 32643602144 in words is "thirty-two billion, six hundred forty-three million, six hundred two thousand, one hundred forty-four".