10223040440 has 64 divisors (see below), whose sum is σ = 25636759200. Its totient is φ = 3646107648.

The previous prime is 10223040433. The next prime is 10223040449. The reversal of 10223040440 is 4404032201.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10223040449) 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, 382709 + ... + 408548.

Almost surely, 2^10223040440 is an apocalyptic number.

10223040440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10223040440 is an abundant number, since it is smaller than the sum of its proper divisors (15413718760).

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

10223040440 is a wasteful number, since it uses less digits than its factorization.

10223040440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 791304 (or 791300 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

Adding to 10223040440 its reverse (4404032201), we get a palindrome (14627072641).

The spelling of 10223040440 in words is "ten billion, two hundred twenty-three million, forty thousand, four hundred forty".