2440455220 has 48 divisors (see below), whose sum is σ = 5913992448. Its totient is φ = 828599040.

The previous prime is 2440455217. The next prime is 2440455229. The reversal of 2440455220 is 225540442.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2440455229) 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, 70201 + ... + 99040.

It is an arithmetic number, because the mean of its divisors is an integer number (123208176).

Almost surely, 2^2440455220 is an apocalyptic number.

2440455220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2440455220 is an abundant number, since it is smaller than the sum of its proper divisors (3473537228).

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

2440455220 is a wasteful number, since it uses less digits than its factorization.

2440455220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169360 (or 169358 counting only the distinct ones).

The product of its (nonzero) digits is 12800, while the sum is 28.

The square root of 2440455220 is about 49400.9637557811. The cubic root of 2440455220 is about 1346.3468163629.

Adding to 2440455220 its reverse (225540442), we get a palindrome (2665995662).

The spelling of 2440455220 in words is "two billion, four hundred forty million, four hundred fifty-five thousand, two hundred twenty".