4240015642644 has 48 divisors (see below), whose sum is σ = 9928476902400. Its totient is φ = 1408328772480.

The previous prime is 4240015642609. The next prime is 4240015642651. The reversal of 4240015642644 is 4462465100424.

It is a super-2 number, since 2×4240015642644² (a number of 26 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 4240015642596 and 4240015642605.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5816422 + ... + 6504674.

It is an arithmetic number, because the mean of its divisors is an integer number (206843268800).

Almost surely, 2^{4240015642644} is an apocalyptic number.

It is an amenable number.

4240015642644 is an abundant number, since it is smaller than the sum of its proper divisors (5688461259756).

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

4240015642644 is a wasteful number, since it uses less digits than its factorization.

4240015642644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 690080 (or 690078 counting only the distinct ones).

The product of its (nonzero) digits is 737280, while the sum is 42.

The spelling of 4240015642644 in words is "four trillion, two hundred forty billion, fifteen million, six hundred forty-two thousand, six hundred forty-four".