4240144303021 has 24 divisors (see below), whose sum is σ = 4775215848480. Its totient is φ = 3760158753120.

The previous prime is 4240144303009. The next prime is 4240144303033. The reversal of 4240144303021 is 1203034410424.

It is an interprime number because it is at equal distance from previous prime (4240144303009) and next prime (4240144303033).

It is not a de Polignac number, because 4240144303021 - 2³¹ = 4237996819373 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4240144303001) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3494790 + ... + 4549048.

It is an arithmetic number, because the mean of its divisors is an integer number (198967327020).

Almost surely, 2^{4240144303021} is an apocalyptic number.

It is an amenable number.

4240144303021 is a deficient number, since it is larger than the sum of its proper divisors (535071545459).

4240144303021 is a wasteful number, since it uses less digits than its factorization.

4240144303021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1055097 (or 1055086 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 4240144303021 its reverse (1203034410424), we get a palindrome (5443178713445).

The spelling of 4240144303021 in words is "four trillion, two hundred forty billion, one hundred forty-four million, three hundred three thousand, twenty-one".