1427944681770 has 48 divisors (see below), whose sum is σ = 3541184010720. Its totient is φ = 368501845920.

The previous prime is 1427944681753. The next prime is 1427944681777. The reversal of 1427944681770 is 771864497241.

It is not an unprimeable number, because it can be changed into a prime (1427944681777) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 24736080 + ... + 24793739.

It is an arithmetic number, because the mean of its divisors is an integer number (73774666890).

Almost surely, 2^{1427944681770} is an apocalyptic number.

1427944681770 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1427944681770 is an abundant number, since it is smaller than the sum of its proper divisors (2113239328950).

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

1427944681770 is a wasteful number, since it uses less digits than its factorization.

1427944681770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49529891 (or 49529860 counting only the distinct ones).

The product of its (nonzero) digits is 18966528, while the sum is 60.

The spelling of 1427944681770 in words is "one trillion, four hundred twenty-seven billion, nine hundred forty-four million, six hundred eighty-one thousand, seven hundred seventy".