4025404365655 has 4 divisors (see below), whose sum is σ = 4830485238792. Its totient is φ = 3220323492520.

The previous prime is 4025404365643. The next prime is 4025404365707. The reversal of 4025404365655 is 5565634045204.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 4025404365655 - 2¹³ = 4025404357463 is a prime.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4025404365599 and 4025404365608.

It is a congruent number.

It is an unprimeable number.

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, 402540436561 + ... + 402540436570.

It is an arithmetic number, because the mean of its divisors is an integer number (1207621309698).

Almost surely, 2^{4025404365655} is an apocalyptic number.

4025404365655 is a deficient number, since it is larger than the sum of its proper divisors (805080873137).

4025404365655 is an equidigital number, since it uses as much as digits as its factorization.

4025404365655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 805080873136.

The product of its (nonzero) digits is 8640000, while the sum is 49.

The spelling of 4025404365655 in words is "four trillion, twenty-five billion, four hundred four million, three hundred sixty-five thousand, six hundred fifty-five".