2254206340640 has 48 divisors (see below), whose sum is σ = 5325664279320. Its totient is φ = 901665300480.

The previous prime is 2254206340531. The next prime is 2254206340651. The reversal of 2254206340640 is 460436024522.

It can be written as a sum of positive squares in 4 ways, for example, as 303614224144 + 1950592116496 = 551012^2 + 1396636^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2254206340594 and 2254206340603.

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, 11271920 + ... + 11470160.

Almost surely, 2^{2254206340640} is an apocalyptic number.

2254206340640 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2254206340640 is an abundant number, since it is smaller than the sum of its proper divisors (3071457938680).

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

2254206340640 is a wasteful number, since it uses less digits than its factorization.

2254206340640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 269325 (or 269317 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 38.

The spelling of 2254206340640 in words is "two trillion, two hundred fifty-four billion, two hundred six million, three hundred forty thousand, six hundred forty".