4000838725445 has 8 divisors (see below), whose sum is σ = 4882379461920. Its totient is φ = 3146422319440.

The previous prime is 4000838725417. The next prime is 4000838725459. The reversal of 4000838725445 is 5445278380004.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 4000838725445 - 2²⁶ = 4000771616581 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4000838725393 and 4000838725402.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6781082291 + ... + 6781082880.

It is an arithmetic number, because the mean of its divisors is an integer number (610297432740).

Almost surely, 2^{4000838725445} is an apocalyptic number.

It is an amenable number.

4000838725445 is a deficient number, since it is larger than the sum of its proper divisors (881540736475).

4000838725445 is a wasteful number, since it uses less digits than its factorization.

4000838725445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13562165235.

The product of its (nonzero) digits is 4300800, while the sum is 50.

The spelling of 4000838725445 in words is "four trillion, eight hundred thirty-eight million, seven hundred twenty-five thousand, four hundred forty-five".