2254660840 has 32 divisors (see below), whose sum is σ = 5339988000. Its totient is φ = 854397504.

The previous prime is 2254660787. The next prime is 2254660843. The reversal of 2254660840 is 480664522.

It is a self number, because there is not a number n which added to its sum of digits gives 2254660840.

It is not an unprimeable number, because it can be changed into a prime (2254660843) 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, 1482570 + ... + 1484089.

It is an arithmetic number, because the mean of its divisors is an integer number (166874625).

Almost surely, 2^2254660840 is an apocalyptic number.

2254660840 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2254660840 is an abundant number, since it is smaller than the sum of its proper divisors (3085327160).

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

2254660840 is a wasteful number, since it uses less digits than its factorization.

2254660840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2966689 (or 2966685 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 37.

The square root of 2254660840 is about 47483.2690534255. The cubic root of 2254660840 is about 1311.2748772317.

The spelling of 2254660840 in words is "two billion, two hundred fifty-four million, six hundred sixty thousand, eight hundred forty".