32131440040 has 32 divisors (see below), whose sum is σ = 82623703680. Its totient is φ = 11016493632.

The previous prime is 32131440017. The next prime is 32131440041. The reversal of 32131440040 is 4004413123.

It is a super-3 number, since 3×32131440040³ (a number of 32 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 32131439993 and 32131440020.

It is not an unprimeable number, because it can be changed into a prime (32131440041) 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, 57377292 + ... + 57377851.

It is an arithmetic number, because the mean of its divisors is an integer number (2581990740).

Almost surely, 2^32131440040 is an apocalyptic number.

It is an amenable number.

32131440040 is an abundant number, since it is smaller than the sum of its proper divisors (50492263640).

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

32131440040 is a wasteful number, since it uses less digits than its factorization.

32131440040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114755161 (or 114755157 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 32131440040 its reverse (4004413123), we get a palindrome (36135853163).

The spelling of 32131440040 in words is "thirty-two billion, one hundred thirty-one million, four hundred forty thousand, forty".