4122003440 has 40 divisors (see below), whose sum is σ = 9659143680. Its totient is φ = 1635814656.

The previous prime is 4122003437. The next prime is 4122003449. The reversal of 4122003440 is 443002214.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4122003449) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 192695 + ... + 213014.

It is an arithmetic number, because the mean of its divisors is an integer number (241478592).

Almost surely, 2^4122003440 is an apocalyptic number.

4122003440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4122003440 is an abundant number, since it is smaller than the sum of its proper divisors (5537140240).

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

4122003440 is a wasteful number, since it uses less digits than its factorization.

4122003440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 405849 (or 405843 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 4122003440 is about 64202.8304671998. The cubic root of 4122003440 is about 1603.3787246982.

Adding to 4122003440 its reverse (443002214), we get a palindrome (4565005654).

The spelling of 4122003440 in words is "four billion, one hundred twenty-two million, three thousand, four hundred forty".