2455954278238 has 16 divisors (see below), whose sum is σ = 3693639961440. Its totient is φ = 1224741365856.

The previous prime is 2455954278233. The next prime is 2455954278247. The reversal of 2455954278238 is 8328724595542.

It is a happy number.

2455954278238 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×2455954278238² (a number of 26 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2455954278238.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2455954278233) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13057156 + ... + 13243912.

It is an arithmetic number, because the mean of its divisors is an integer number (230852497590).

Almost surely, 2^{2455954278238} is an apocalyptic number.

2455954278238 is a deficient number, since it is larger than the sum of its proper divisors (1237685683202).

2455954278238 is a wasteful number, since it uses less digits than its factorization.

2455954278238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 204051.

The product of its digits is 193536000, while the sum is 64.

The spelling of 2455954278238 in words is "two trillion, four hundred fifty-five billion, nine hundred fifty-four million, two hundred seventy-eight thousand, two hundred thirty-eight".