40031333420 has 48 divisors (see below), whose sum is σ = 90615127680. Its totient is φ = 14767293696.

The previous prime is 40031333417. The next prime is 40031333431. The reversal of 40031333420 is 2433313004.

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, 216986 + ... + 356574.

It is an arithmetic number, because the mean of its divisors is an integer number (1887815160).

Almost surely, 2^40031333420 is an apocalyptic number.

It is an amenable number.

40031333420 is an abundant number, since it is smaller than the sum of its proper divisors (50583794260).

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

40031333420 is a wasteful number, since it uses less digits than its factorization.

40031333420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140714 (or 140712 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 23.

Adding to 40031333420 its reverse (2433313004), we get a palindrome (42464646424).

The spelling of 40031333420 in words is "forty billion, thirty-one million, three hundred thirty-three thousand, four hundred twenty".