40224022420 has 48 divisors (see below), whose sum is σ = 88170622848. Its totient is φ = 15385251200.

The previous prime is 40224022403. The next prime is 40224022427. The reversal of 40224022420 is 2422042204.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 40224022391 and 40224022400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40224022427) 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, 1690647 + ... + 1714273.

It is an arithmetic number, because the mean of its divisors is an integer number (1836887976).

Almost surely, 2^40224022420 is an apocalyptic number.

It is an amenable number.

40224022420 is an abundant number, since it is smaller than the sum of its proper divisors (47946600428).

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

40224022420 is a wasteful number, since it uses less digits than its factorization.

40224022420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27360 (or 27358 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 22.

Adding to 40224022420 its reverse (2422042204), we get a palindrome (42646064624).

The spelling of 40224022420 in words is "forty billion, two hundred twenty-four million, twenty-two thousand, four hundred twenty".