2243904757648 has 40 divisors (see below), whose sum is σ = 4430074778496. Its totient is φ = 1100664240000.

The previous prime is 2243904757621. The next prime is 2243904757727. The reversal of 2243904757648 is 8467574093422.

It is a super-2 number, since 2×2243904757648² (a number of 26 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7960723 + ... + 8237773.

Almost surely, 2^{2243904757648} is an apocalyptic number.

It is an amenable number.

2243904757648 is a deficient number, since it is larger than the sum of its proper divisors (2186170020848).

2243904757648 is a wasteful number, since it uses less digits than its factorization.

2243904757648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 286663 (or 286657 counting only the distinct ones).

The product of its (nonzero) digits is 81285120, while the sum is 61.

The spelling of 2243904757648 in words is "two trillion, two hundred forty-three billion, nine hundred four million, seven hundred fifty-seven thousand, six hundred forty-eight".