440347506141 has 4 divisors (see below), whose sum is σ = 587130008192. Its totient is φ = 293565004092.

The previous prime is 440347506139. The next prime is 440347506149. The reversal of 440347506141 is 141605743044.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 440347506141 - 2¹ = 440347506139 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 440347506141.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (440347506149) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 73391251021 + ... + 73391251026.

It is an arithmetic number, because the mean of its divisors is an integer number (146782502048).

Almost surely, 2^440347506141 is an apocalyptic number.

It is an amenable number.

440347506141 is a deficient number, since it is larger than the sum of its proper divisors (146782502051).

440347506141 is a wasteful number, since it uses less digits than its factorization.

440347506141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146782502050.

The product of its (nonzero) digits is 161280, while the sum is 39.

The spelling of 440347506141 in words is "four hundred forty billion, three hundred forty-seven million, five hundred six thousand, one hundred forty-one".