2245056240 has 80 divisors (see below), whose sum is σ = 7953919488. Its totient is φ = 513155328.

The previous prime is 2245056217. The next prime is 2245056241. The reversal of 2245056240 is 426505422.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 2245056198 and 2245056207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2245056241) 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, 666492 + ... + 669851.

Almost surely, 2^2245056240 is an apocalyptic number.

2245056240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2245056240 is an abundant number, since it is smaller than the sum of its proper divisors (5708863248).

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

2245056240 is a wasteful number, since it uses less digits than its factorization.

2245056240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1336366 (or 1336360 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 30.

The square root of 2245056240 is about 47382.0244396543. The cubic root of 2245056240 is about 1309.4102661862.

The spelling of 2245056240 in words is "two billion, two hundred forty-five million, fifty-six thousand, two hundred forty".