2254194639438 has 64 divisors (see below), whose sum is σ = 5170719725568. Its totient is φ = 641773726560.

The previous prime is 2254194639401. The next prime is 2254194639449. The reversal of 2254194639438 is 8349364914522.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 22262281 + ... + 22363307.

It is an arithmetic number, because the mean of its divisors is an integer number (80792495712).

Almost surely, 2^{2254194639438} is an apocalyptic number.

2254194639438 is an abundant number, since it is smaller than the sum of its proper divisors (2916525086130).

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

2254194639438 is a wasteful number, since it uses less digits than its factorization.

2254194639438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102917.

The product of its digits is 44789760, while the sum is 60.

The spelling of 2254194639438 in words is "two trillion, two hundred fifty-four billion, one hundred ninety-four million, six hundred thirty-nine thousand, four hundred thirty-eight".