40021220010 has 16 divisors (see below), whose sum is σ = 96050928096. Its totient is φ = 10672325328.

The previous prime is 40021219999. The next prime is 40021220047. The reversal of 40021220010 is 1002212004.

40021220010 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 667020304 + ... + 667020363.

It is an arithmetic number, because the mean of its divisors is an integer number (6003183006).

Almost surely, 2^40021220010 is an apocalyptic number.

40021220010 is an abundant number, since it is smaller than the sum of its proper divisors (56029708086).

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

40021220010 is a wasteful number, since it uses less digits than its factorization.

40021220010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1334040677.

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 40021220010 its reverse (1002212004), we get a palindrome (41023432014).

The spelling of 40021220010 in words is "forty billion, twenty-one million, two hundred twenty thousand, ten".