2248655240 has 32 divisors (see below), whose sum is σ = 5448665880. Its totient is φ = 830272512.

The previous prime is 2248655207. The next prime is 2248655249. The reversal of 2248655240 is 425568422.

It can be written as a sum of positive squares in 4 ways, for example, as 869424196 + 1379231044 = 29486^2 + 37138^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2248655194 and 2248655203.

It is not an unprimeable number, because it can be changed into a prime (2248655249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2161649 + ... + 2162688.

Almost surely, 2^2248655240 is an apocalyptic number.

2248655240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2248655240 is an abundant number, since it is smaller than the sum of its proper divisors (3200010640).

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

2248655240 is a wasteful number, since it uses less digits than its factorization.

2248655240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4324361 (or 4324357 counting only the distinct ones).

The product of its (nonzero) digits is 153600, while the sum is 38.

The square root of 2248655240 is about 47419.9877688723. The cubic root of 2248655240 is about 1310.1095881749.

The spelling of 2248655240 in words is "two billion, two hundred forty-eight million, six hundred fifty-five thousand, two hundred forty".