32143340144 has 40 divisors (see below), whose sum is σ = 65875715232. Its totient is φ = 15162301440.

The previous prime is 32143340143. The next prime is 32143340153. The reversal of 32143340144 is 44104334123.

It is a happy number.

It is a super-2 number, since 2×32143340144² (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 (32143340143) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 571397 + ... + 625124.

Almost surely, 2^32143340144 is an apocalyptic number.

It is an amenable number.

32143340144 is an abundant number, since it is smaller than the sum of its proper divisors (33732375088).

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

32143340144 is a wasteful number, since it uses less digits than its factorization.

32143340144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1196625 (or 1196619 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 29.

Adding to 32143340144 its reverse (44104334123), we get a palindrome (76247674267).

The spelling of 32143340144 in words is "thirty-two billion, one hundred forty-three million, three hundred forty thousand, one hundred forty-four".