440375138153 has 4 divisors (see below), whose sum is σ = 442808150148. Its totient is φ = 437942126160.

The previous prime is 440375138111. The next prime is 440375138209. The reversal of 440375138153 is 351831573044.

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

It can be written as a sum of positive squares in 2 ways, for example, as 117219271129 + 323155867024 = 342373^2 + 568468^2 .

It is a cyclic number.

It is not a de Polignac number, because 440375138153 - 2⁶ = 440375138089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (440375138053) 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, 1216505726 + ... + 1216506087.

It is an arithmetic number, because the mean of its divisors is an integer number (110702037537).

Almost surely, 2^440375138153 is an apocalyptic number.

It is an amenable number.

440375138153 is a deficient number, since it is larger than the sum of its proper divisors (2433011995).

440375138153 is a wasteful number, since it uses less digits than its factorization.

440375138153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2433011994.

The product of its (nonzero) digits is 604800, while the sum is 44.

The spelling of 440375138153 in words is "four hundred forty billion, three hundred seventy-five million, one hundred thirty-eight thousand, one hundred fifty-three".