2440045545 has 32 divisors (see below), whose sum is σ = 4469748480. Its totient is φ = 1113461760.

The previous prime is 2440045541. The next prime is 2440045571. The reversal of 2440045545 is 5455400442.

It is not a de Polignac number, because 2440045545 - 2² = 2440045541 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2440045541) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 39325 + ... + 80165.

It is an arithmetic number, because the mean of its divisors is an integer number (139679640).

Almost surely, 2^2440045545 is an apocalyptic number.

It is an amenable number.

2440045545 is a deficient number, since it is larger than the sum of its proper divisors (2029702935).

2440045545 is a wasteful number, since it uses less digits than its factorization.

2440045545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41425.

The product of its (nonzero) digits is 64000, while the sum is 33.

The square root of 2440045545 is about 49396.8171545495. The cubic root of 2440045545 is about 1346.2714758426.

Adding to 2440045545 its reverse (5455400442), we get a palindrome (7895445987).

The spelling of 2440045545 in words is "two billion, four hundred forty million, forty-five thousand, five hundred forty-five".