2245618340 has 48 divisors (see below), whose sum is σ = 5623817472. Its totient is φ = 736450176.

The previous prime is 2245618307. The next prime is 2245618343. The reversal of 2245618340 is 438165422.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a self number, because there is not a number n which added to its sum of digits gives 2245618340.

It is not an unprimeable number, because it can be changed into a prime (2245618343) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 345479 + ... + 351918.

It is an arithmetic number, because the mean of its divisors is an integer number (117162864).

Almost surely, 2^2245618340 is an apocalyptic number.

2245618340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2245618340 is an abundant number, since it is smaller than the sum of its proper divisors (3378199132).

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

2245618340 is a wasteful number, since it uses less digits than its factorization.

2245618340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 697436 (or 697434 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 35.

The square root of 2245618340 is about 47387.9556427580. The cubic root of 2245618340 is about 1309.5195371077.

The spelling of 2245618340 in words is "two billion, two hundred forty-five million, six hundred eighteen thousand, three hundred forty".