2254890340 has 24 divisors (see below), whose sum is σ = 4737431160. Its totient is φ = 901544448.

The previous prime is 2254890269. The next prime is 2254890343. The reversal of 2254890340 is 430984522.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 208051776 + 2046838564 = 14424^2 + 45242^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2254890340.

It is not an unprimeable number, because it can be changed into a prime (2254890343) 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, 21276 + ... + 70444.

It is an arithmetic number, because the mean of its divisors is an integer number (197392965).

Almost surely, 2^2254890340 is an apocalyptic number.

2254890340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2254890340 is an abundant number, since it is smaller than the sum of its proper divisors (2482540820).

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

2254890340 is a wasteful number, since it uses less digits than its factorization.

2254890340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51471 (or 51469 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 37.

The square root of 2254890340 is about 47485.6856326199. The cubic root of 2254890340 is about 1311.3193669052.

The spelling of 2254890340 in words is "two billion, two hundred fifty-four million, eight hundred ninety thousand, three hundred forty".