440135421364 has 48 divisors (see below), whose sum is σ = 817721049600. Its totient is φ = 206837323616.

The previous prime is 440135421361. The next prime is 440135421379. The reversal of 440135421364 is 463124531044.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (440135421361) 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, 12678759 + ... + 12713425.

It is an arithmetic number, because the mean of its divisors is an integer number (17035855200).

Almost surely, 2^440135421364 is an apocalyptic number.

It is an amenable number.

440135421364 is a deficient number, since it is larger than the sum of its proper divisors (377585628236).

440135421364 is a wasteful number, since it uses less digits than its factorization.

440135421364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37092 (or 37090 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 37.

The spelling of 440135421364 in words is "four hundred forty billion, one hundred thirty-five million, four hundred twenty-one thousand, three hundred sixty-four".