4377840644241 has 45 divisors (see below), whose sum is σ = 6567676739481. Its totient is φ = 2906144549208.

The previous prime is 4377840644231. The next prime is 4377840644251. The reversal of 4377840644241 is 1424460487734.

The square root of 4377840644241 is 2092329.

It is a perfect power (a square), and thus also a powerful number.

4377840644241 is a `hidden beast` number, since 437 + 78 + 4 + 0 + 64 + 42 + 41 = 666.

It is an interprime number because it is at equal distance from previous prime (4377840644231) and next prime (4377840644251).

It is a de Polignac number, because none of the positive numbers 2^k-4377840644241 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4377840644231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 7212257760 + ... + 7212258366.

Almost surely, 2^{4377840644241} is an apocalyptic number.

4377840644241 is the 2092329-th square number.

4377840644241 is the 1046165-th centered octagonal number.

It is an amenable number.

4377840644241 is a deficient number, since it is larger than the sum of its proper divisors (2189836095240).

4377840644241 is an frugal number, since it uses more digits than its factorization.

4377840644241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1992 (or 993 counting only the distinct ones).

The product of its (nonzero) digits is 14450688, while the sum is 54.

It can be divided in two parts, 4377840 and 644241, that added together give a square (5022081 = 2241²).

The spelling of 4377840644241 in words is "four trillion, three hundred seventy-seven billion, eight hundred forty million, six hundred forty-four thousand, two hundred forty-one".