2455540225 has 24 divisors (see below), whose sum is σ = 3219793920. Its totient is φ = 1854672000.

The previous prime is 2455540211. The next prime is 2455540273. The reversal of 2455540225 is 5220455542.

It is a de Polignac number, because none of the positive numbers 2^k-2455540225 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6865 + ... + 70414.

It is an arithmetic number, because the mean of its divisors is an integer number (134158080).

Almost surely, 2^2455540225 is an apocalyptic number.

2455540225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2455540225 is a deficient number, since it is larger than the sum of its proper divisors (764253695).

2455540225 is a wasteful number, since it uses less digits than its factorization.

2455540225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77361 (or 77356 counting only the distinct ones).

The product of its (nonzero) digits is 80000, while the sum is 34.

The square root of 2455540225 is about 49553.4078041057. The cubic root of 2455540225 is about 1349.1151448871.

Adding to 2455540225 its reverse (5220455542), we get a palindrome (7675995767).

The spelling of 2455540225 in words is "two billion, four hundred fifty-five million, five hundred forty thousand, two hundred twenty-five".