2440145042 has 8 divisors (see below), whose sum is σ = 3759142476. Its totient is φ = 1187097552.

The previous prime is 2440145041. The next prime is 2440145047. The reversal of 2440145042 is 2405410442.

It can be written as a sum of positive squares in 2 ways, for example, as 2229633961 + 210511081 = 47219^2 + 14509^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (2440145041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16487393 + ... + 16487540.

Almost surely, 2^2440145042 is an apocalyptic number.

2440145042 is a deficient number, since it is larger than the sum of its proper divisors (1318997434).

2440145042 is a wasteful number, since it uses less digits than its factorization.

2440145042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32974972.

The product of its (nonzero) digits is 5120, while the sum is 26.

The square root of 2440145042 is about 49397.8242638277. The cubic root of 2440145042 is about 1346.2897744290.

Adding to 2440145042 its reverse (2405410442), we get a palindrome (4845555484).

The spelling of 2440145042 in words is "two billion, four hundred forty million, one hundred forty-five thousand, forty-two".