40424002200420 has 48 divisors (see below), whose sum is σ = 119144427541440. Its totient is φ = 10212379502976.

The previous prime is 40424002200331. The next prime is 40424002200427. The reversal of 40424002200420 is 2400220042404.

It is a super-2 number, since 2×40424002200420² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (40424002200427) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17729824387 + ... + 17729826666.

It is an arithmetic number, because the mean of its divisors is an integer number (2482175573780).

Almost surely, 2^{40424002200420} is an apocalyptic number.

It is an amenable number.

40424002200420 is an abundant number, since it is smaller than the sum of its proper divisors (78720425341020).

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

40424002200420 is a wasteful number, since it uses less digits than its factorization.

40424002200420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35459651084 (or 35459651082 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 24.

Adding to 40424002200420 its reverse (2400220042404), we get a palindrome (42824222242824).

The spelling of 40424002200420 in words is "forty trillion, four hundred twenty-four billion, two million, two hundred thousand, four hundred twenty".