240425404425455 has 8 divisors (see below), whose sum is σ = 288784995769104. Its totient is φ = 192157316568000.

The previous prime is 240425404425413. The next prime is 240425404425461. The reversal of 240425404425455 is 554524404524042.

It is a happy number.

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

It is not a de Polignac number, because 240425404425455 - 2²² = 240425400231151 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22875865766 + ... + 22875876275.

It is an arithmetic number, because the mean of its divisors is an integer number (36098124471138).

Almost surely, 2^{240425404425455} is an apocalyptic number.

240425404425455 is a deficient number, since it is larger than the sum of its proper divisors (48359591343649).

240425404425455 is a wasteful number, since it uses less digits than its factorization.

240425404425455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45751743097.

The product of its (nonzero) digits is 20480000, while the sum is 50.

Adding to 240425404425455 its reverse (554524404524042), we get a palindrome (794949808949497).

The spelling of 240425404425455 in words is "two hundred forty trillion, four hundred twenty-five billion, four hundred four million, four hundred twenty-five thousand, four hundred fifty-five".