1228827906240 has 224 divisors, whose sum is σ = 4480224963840. Its totient is φ = 282218803200.

The previous prime is 1228827906209. The next prime is 1228827906269. The reversal of 1228827906240 is 426097288221.

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 31 ways as a sum of consecutive naturals, for example, 2861631 + ... + 3262910.

Almost surely, 2^{1228827906240} is an apocalyptic number.

1228827906240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1228827906240 is an abundant number, since it is smaller than the sum of its proper divisors (3251397057600).

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

1228827906240 is a wasteful number, since it uses less digits than its factorization.

1228827906240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6124591 (or 6124581 counting only the distinct ones).

The product of its (nonzero) digits is 1548288, while the sum is 51.

The spelling of 1228827906240 in words is "one trillion, two hundred twenty-eight billion, eight hundred twenty-seven million, nine hundred six thousand, two hundred forty".