1227757307340 has 48 divisors (see below), whose sum is σ = 3439274253408. Its totient is φ = 327253968384.

The previous prime is 1227757307303. The next prime is 1227757307393. The reversal of 1227757307340 is 437037577221.

It is a self number, because there is not a number n which added to its sum of digits gives 1227757307340.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4490497 + ... + 4756056.

It is an arithmetic number, because the mean of its divisors is an integer number (71651546946).

Almost surely, 2^{1227757307340} is an apocalyptic number.

1227757307340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1227757307340 is an abundant number, since it is smaller than the sum of its proper divisors (2211516946068).

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

1227757307340 is a wasteful number, since it uses less digits than its factorization.

1227757307340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9248778 (or 9248776 counting only the distinct ones).

The product of its (nonzero) digits is 1728720, while the sum is 48.

The spelling of 1227757307340 in words is "one trillion, two hundred twenty-seven billion, seven hundred fifty-seven million, three hundred seven thousand, three hundred forty".