440423020240102 has 4 divisors (see below), whose sum is σ = 660634530360156. Its totient is φ = 220211510120050.

The previous prime is 440423020240033. The next prime is 440423020240127. The reversal of 440423020240102 is 201042020324044.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110105755060024 + ... + 110105755060027.

It is an arithmetic number, because the mean of its divisors is an integer number (165158632590039).

Almost surely, 2^{440423020240102} is an apocalyptic number.

440423020240102 is a deficient number, since it is larger than the sum of its proper divisors (220211510120054).

440423020240102 is a wasteful number, since it uses less digits than its factorization.

440423020240102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220211510120053.

The product of its (nonzero) digits is 12288, while the sum is 28.

Adding to 440423020240102 its reverse (201042020324044), we get a palindrome (641465040564146).

The spelling of 440423020240102 in words is "four hundred forty trillion, four hundred twenty-three billion, twenty million, two hundred forty thousand, one hundred two".