440052636164251 has 16 divisors (see below), whose sum is σ = 481767519225600. Its totient is φ = 398624495781600.

The previous prime is 440052636164177. The next prime is 440052636164341. The reversal of 440052636164251 is 152461636250044.

It is not a de Polignac number, because 440052636164251 - 2⁷ = 440052636164123 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 440052636164195 and 440052636164204.

It is not an unprimeable number, because it can be changed into a prime (440052636164051) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38059836 + ... + 48256153.

It is an arithmetic number, because the mean of its divisors is an integer number (30110469951600).

Almost surely, 2^{440052636164251} is an apocalyptic number.

440052636164251 is a deficient number, since it is larger than the sum of its proper divisors (41714883061349).

440052636164251 is a wasteful number, since it uses less digits than its factorization.

440052636164251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86317650.

The product of its (nonzero) digits is 4147200, while the sum is 49.

The spelling of 440052636164251 in words is "four hundred forty trillion, fifty-two billion, six hundred thirty-six million, one hundred sixty-four thousand, two hundred fifty-one".