2318440272 has 20 divisors (see below), whose sum is σ = 5989304160. Its totient is φ = 772813408.

The previous prime is 2318440247. The next prime is 2318440277. The reversal of 2318440272 is 2720448132.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2318440277) 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, 24150372 + ... + 24150467.

It is an arithmetic number, because the mean of its divisors is an integer number (299465208).

Almost surely, 2^2318440272 is an apocalyptic number.

It is an amenable number.

2318440272 is an abundant number, since it is smaller than the sum of its proper divisors (3670863888).

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

2318440272 is a wasteful number, since it uses less digits than its factorization.

2318440272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48300850 (or 48300844 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 33.

The square root of 2318440272 is about 48150.1845479329. The cubic root of 2318440272 is about 1323.5244562908.

The spelling of 2318440272 in words is "two billion, three hundred eighteen million, four hundred forty thousand, two hundred seventy-two".