2455645938 has 16 divisors (see below), whose sum is σ = 4912714560. Its totient is φ = 818311536.

The previous prime is 2455645931. The next prime is 2455645939. The reversal of 2455645938 is 8395465542.

It is a happy number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2455645931) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36145 + ... + 78852.

It is an arithmetic number, because the mean of its divisors is an integer number (307044660).

Almost surely, 2^2455645938 is an apocalyptic number.

2455645938 is an abundant number, since it is smaller than the sum of its proper divisors (2457068622).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2455645938 is a wasteful number, since it uses less digits than its factorization.

2455645938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118561.

The product of its digits is 5184000, while the sum is 51.

The square root of 2455645938 is about 49554.4744498416. The cubic root of 2455645938 is about 1349.1345047766.

The spelling of 2455645938 in words is "two billion, four hundred fifty-five million, six hundred forty-five thousand, nine hundred thirty-eight".