4240442064 has 20 divisors (see below), whose sum is σ = 10954475456. Its totient is φ = 1413480672.

The previous prime is 4240442057. The next prime is 4240442077. The reversal of 4240442064 is 4602440424.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44171224 + ... + 44171319.

Almost surely, 2^4240442064 is an apocalyptic number.

It is an amenable number.

4240442064 is an abundant number, since it is smaller than the sum of its proper divisors (6714033392).

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

4240442064 is a wasteful number, since it uses less digits than its factorization.

4240442064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88342554 (or 88342548 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 30.

The square root of 4240442064 is about 65118.6767678828. The cubic root of 4240442064 is about 1618.5907146300.

Adding to 4240442064 its reverse (4602440424), we get a palindrome (8842882488).

The spelling of 4240442064 in words is "four billion, two hundred forty million, four hundred forty-two thousand, sixty-four".