4042424220440 has 64 divisors (see below), whose sum is σ = 9103437050400. Its totient is φ = 1615551141888.

The previous prime is 4042424220437. The next prime is 4042424220463. The reversal of 4042424220440 is 440224242404.

4042424220440 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 4042424220397 and 4042424220406.

It is a congruent number.

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, 392882816 + ... + 392893104.

Almost surely, 2^{4042424220440} is an apocalyptic number.

4042424220440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4042424220440 is an abundant number, since it is smaller than the sum of its proper divisors (5061012829960).

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

4042424220440 is a wasteful number, since it uses less digits than its factorization.

4042424220440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17964 (or 17960 counting only the distinct ones).

The product of its (nonzero) digits is 65536, while the sum is 32.

Adding to 4042424220440 its reverse (440224242404), we get a palindrome (4482648462844).

The spelling of 4042424220440 in words is "four trillion, forty-two billion, four hundred twenty-four million, two hundred twenty thousand, four hundred forty".