32143043540 has 24 divisors (see below), whose sum is σ = 68606957832. Its totient is φ = 12646442880.

The previous prime is 32143043459. The next prime is 32143043557. The reversal of 32143043540 is 4534034123.

It can be written as a sum of positive squares in 4 ways, for example, as 1008016 + 32142035524 = 1004^2 + 179282^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13172159 + ... + 13174598.

It is an arithmetic number, because the mean of its divisors is an integer number (2858623243).

Almost surely, 2^32143043540 is an apocalyptic number.

It is an amenable number.

32143043540 is an abundant number, since it is smaller than the sum of its proper divisors (36463914292).

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

32143043540 is a wasteful number, since it uses less digits than its factorization.

32143043540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26346827 (or 26346825 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 29.

Adding to 32143043540 its reverse (4534034123), we get a palindrome (36677077663).

The spelling of 32143043540 in words is "thirty-two billion, one hundred forty-three million, forty-three thousand, five hundred forty".