2440213545 has 64 divisors (see below), whose sum is σ = 4959719424. Its totient is φ = 994955520.

The previous prime is 2440213537. The next prime is 2440213549. The reversal of 2440213545 is 5453120442.

2440213545 = T₁₁₇₉₁ + T₁₁₇₉₂ + ... + T₁₁₈₂₅.

It is not a de Polignac number, because 2440213545 - 2³ = 2440213537 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2440213549) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 41284 + ... + 81146.

It is an arithmetic number, because the mean of its divisors is an integer number (77495616).

Almost surely, 2^2440213545 is an apocalyptic number.

It is an amenable number.

2440213545 is an abundant number, since it is smaller than the sum of its proper divisors (2519505879).

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

2440213545 is a wasteful number, since it uses less digits than its factorization.

2440213545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39942.

The product of its (nonzero) digits is 19200, while the sum is 30.

The square root of 2440213545 is about 49398.5176397025. The cubic root of 2440213545 is about 1346.3023725906.

Adding to 2440213545 its reverse (5453120442), we get a palindrome (7893333987).

The spelling of 2440213545 in words is "two billion, four hundred forty million, two hundred thirteen thousand, five hundred forty-five".