4240422021631 has 4 divisors (see below), whose sum is σ = 4240436711832. Its totient is φ = 4240407331432.

The previous prime is 4240422021629. The next prime is 4240422021683. The reversal of 4240422021631 is 1361202240424.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 4240422021631 - 2¹ = 4240422021629 is a prime.

It is a super-2 number, since 2×4240422021631² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4240422021593 and 4240422021602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4240422021331) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6903256 + ... + 7492381.

It is an arithmetic number, because the mean of its divisors is an integer number (1060109177958).

Almost surely, 2^{4240422021631} is an apocalyptic number.

4240422021631 is a deficient number, since it is larger than the sum of its proper divisors (14690201).

4240422021631 is a wasteful number, since it uses less digits than its factorization.

4240422021631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14690200.

The product of its (nonzero) digits is 18432, while the sum is 31.

The spelling of 4240422021631 in words is "four trillion, two hundred forty billion, four hundred twenty-two million, twenty-one thousand, six hundred thirty-one".