440026142268 has 24 divisors (see below), whose sum is σ = 1027382927872. Its totient is φ = 146581771824.

The previous prime is 440026142263. The next prime is 440026142287. The reversal of 440026142268 is 862241620044.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (440026142263) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11681530 + ... + 11719137.

Almost surely, 2^440026142268 is an apocalyptic number.

It is an amenable number.

440026142268 is an abundant number, since it is smaller than the sum of its proper divisors (587356785604).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

440026142268 is a wasteful number, since it uses less digits than its factorization.

440026142268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23402241 (or 23402239 counting only the distinct ones).

The product of its (nonzero) digits is 147456, while the sum is 39.

The spelling of 440026142268 in words is "four hundred forty billion, twenty-six million, one hundred forty-two thousand, two hundred sixty-eight".