4342207644 has 18 divisors (see below), whose sum is σ = 10976136080. Its totient is φ = 1447402536.

The previous prime is 4342207637. The next prime is 4342207657. The reversal of 4342207644 is 4467022434.

4342207644 is a `hidden beast` number, since 4 + 3 + 4 + 2 + 2 + 0 + 7 + 644 = 666.

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-2 number, since 2×4342207644² = 37709534447224061472, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 120616879 = 4342207644 / (4 + 3 + 4 + 2 + 2 + 0 + 7 + 6 + 4 + 4).

It is a junction number, because it is equal to n+sod(n) for n = 4342207599 and 4342207608.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 60308404 + ... + 60308475.

Almost surely, 2^4342207644 is an apocalyptic number.

It is an amenable number.

4342207644 is an abundant number, since it is smaller than the sum of its proper divisors (6633928436).

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

4342207644 is a wasteful number, since it uses less digits than its factorization.

4342207644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120616889 (or 120616884 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 36.

The square root of 4342207644 is about 65895.4296138966. The cubic root of 4342207644 is about 1631.4365801293.

The spelling of 4342207644 in words is "four billion, three hundred forty-two million, two hundred seven thousand, six hundred forty-four".