3840441738551 has 4 divisors (see below), whose sum is σ = 4189572805704. Its totient is φ = 3491310671400.

The previous prime is 3840441738541. The next prime is 3840441738557. The reversal of 3840441738551 is 1558371440483.

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 3840441738551 - 2²⁶ = 3840374629687 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3840441738493 and 3840441738502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3840441738557) 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 3 ways as a sum of consecutive naturals, for example, 174565533560 + ... + 174565533581.

It is an arithmetic number, because the mean of its divisors is an integer number (1047393201426).

Almost surely, 2^{3840441738551} is an apocalyptic number.

3840441738551 is a deficient number, since it is larger than the sum of its proper divisors (349131067153).

3840441738551 is a wasteful number, since it uses less digits than its factorization.

3840441738551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 349131067152.

The product of its (nonzero) digits is 6451200, while the sum is 53.

The spelling of 3840441738551 in words is "three trillion, eight hundred forty billion, four hundred forty-one million, seven hundred thirty-eight thousand, five hundred fifty-one".