240442455025 has 12 divisors (see below), whose sum is σ = 315686800332. Its totient is φ = 181039024640.

The previous prime is 240442455023. The next prime is 240442455079. The reversal of 240442455025 is 520554244042.

It can be written as a sum of positive squares in 6 ways, for example, as 343435024 + 240099020001 = 18532^2 + 489999^2 .

It is not a de Polignac number, because 240442455025 - 2¹ = 240442455023 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (240442455023) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 282873052 + ... + 282873901.

It is an arithmetic number, because the mean of its divisors is an integer number (26307233361).

Almost surely, 2^240442455025 is an apocalyptic number.

240442455025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

240442455025 is a deficient number, since it is larger than the sum of its proper divisors (75244345307).

240442455025 is a wasteful number, since it uses less digits than its factorization.

240442455025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 565746980 (or 565746975 counting only the distinct ones).

The product of its (nonzero) digits is 256000, while the sum is 37.

Adding to 240442455025 its reverse (520554244042), we get a palindrome (760996699067).

The spelling of 240442455025 in words is "two hundred forty billion, four hundred forty-two million, four hundred fifty-five thousand, twenty-five".