32040024240 has 80 divisors (see below), whose sum is σ = 113513234688. Its totient is φ = 7323433728.

The previous prime is 32040024143. The next prime is 32040024251. The reversal of 32040024240 is 4242004023.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (21).

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, 9534042 + ... + 9537401.

Almost surely, 2^32040024240 is an apocalyptic number.

32040024240 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

32040024240 is an abundant number, since it is smaller than the sum of its proper divisors (81473210448).

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

32040024240 is a wasteful number, since it uses less digits than its factorization.

32040024240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19071466 (or 19071460 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 21.

Adding to 32040024240 its reverse (4242004023), we get a palindrome (36282028263).

The spelling of 32040024240 in words is "thirty-two billion, forty million, twenty-four thousand, two hundred forty".