440061636042355 has 4 divisors (see below), whose sum is σ = 528073963250832. Its totient is φ = 352049308833880.

The previous prime is 440061636042319. The next prime is 440061636042401. The reversal of 440061636042355 is 553240636160044.

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

It is not a de Polignac number, because 440061636042355 - 2²⁷ = 440061501824627 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 440061636042299 and 440061636042308.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44006163604231 + ... + 44006163604240.

It is an arithmetic number, because the mean of its divisors is an integer number (132018490812708).

Almost surely, 2^{440061636042355} is an apocalyptic number.

440061636042355 is a deficient number, since it is larger than the sum of its proper divisors (88012327208477).

440061636042355 is an equidigital number, since it uses as much as digits as its factorization.

440061636042355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88012327208476.

The product of its (nonzero) digits is 6220800, while the sum is 49.

The spelling of 440061636042355 in words is "four hundred forty trillion, sixty-one billion, six hundred thirty-six million, forty-two thousand, three hundred fifty-five".