40052032420 has 24 divisors (see below), whose sum is σ = 84895340544. Its totient is φ = 15871084896.

The previous prime is 40052032417. The next prime is 40052032439. The reversal of 40052032420 is 2423025004.

It is a junction number, because it is equal to n+sod(n) for n = 40052032391 and 40052032400.

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, 9355812 + ... + 9360091.

It is an arithmetic number, because the mean of its divisors is an integer number (3537305856).

Almost surely, 2^40052032420 is an apocalyptic number.

It is an amenable number.

40052032420 is an abundant number, since it is smaller than the sum of its proper divisors (44843308124).

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

40052032420 is a wasteful number, since it uses less digits than its factorization.

40052032420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18716019 (or 18716017 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 22.

Adding to 40052032420 its reverse (2423025004), we get a palindrome (42475057424).

The spelling of 40052032420 in words is "forty billion, fifty-two million, thirty-two thousand, four hundred twenty".