440121056862407 has 16 divisors (see below), whose sum is σ = 467540101776000. Its totient is φ = 413127562724064.

The previous prime is 440121056862367. The next prime is 440121056862469. The reversal of 440121056862407 is 704268650121044.

It is a cyclic number.

It is not a de Polignac number, because 440121056862407 - 2²⁸ = 440120788426951 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (440121056862107) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 229013144 + ... + 230926962.

It is an arithmetic number, because the mean of its divisors is an integer number (29221256361000).

Almost surely, 2^{440121056862407} is an apocalyptic number.

440121056862407 is a deficient number, since it is larger than the sum of its proper divisors (27419044913593).

440121056862407 is a wasteful number, since it uses less digits than its factorization.

440121056862407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2024990.

The product of its (nonzero) digits is 2580480, while the sum is 50.

The spelling of 440121056862407 in words is "four hundred forty trillion, one hundred twenty-one billion, fifty-six million, eight hundred sixty-two thousand, four hundred seven".