1240223316 has 24 divisors (see below), whose sum is σ = 2911612704. Its totient is φ = 410870880.

The previous prime is 1240223311. The next prime is 1240223317. The reversal of 1240223316 is 6133220421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1240223311) 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, 315075 + ... + 318986.

It is an arithmetic number, because the mean of its divisors is an integer number (121317196).

Almost surely, 2^1240223316 is an apocalyptic number.

It is an amenable number.

1240223316 is an abundant number, since it is smaller than the sum of its proper divisors (1671389388).

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

1240223316 is a wasteful number, since it uses less digits than its factorization.

1240223316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 634231 (or 634229 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 1240223316 is about 35216.8044546918. The cubic root of 1240223316 is about 1074.4015608428.

Adding to 1240223316 its reverse (6133220421), we get a palindrome (7373443737).

The spelling of 1240223316 in words is "one billion, two hundred forty million, two hundred twenty-three thousand, three hundred sixteen".