32020342040 has 64 divisors (see below), whose sum is σ = 77081004000. Its totient is φ = 11935088640.

The previous prime is 32020342007. The next prime is 32020342069. The reversal of 32020342040 is 4024302023.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

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, 298985 + ... + 391704.

Almost surely, 2^32020342040 is an apocalyptic number.

It is an amenable number.

32020342040 is an abundant number, since it is smaller than the sum of its proper divisors (45060661960).

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

32020342040 is a wasteful number, since it uses less digits than its factorization.

32020342040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 690780 (or 690776 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 20.

Adding to 32020342040 its reverse (4024302023), we get a palindrome (36044644063).

The spelling of 32020342040 in words is "thirty-two billion, twenty million, three hundred forty-two thousand, forty".