1427386551552 has 180 divisors, whose sum is σ = 4583609937060. Its totient is φ = 439195779072.

The previous prime is 1427386551497. The next prime is 1427386551581. The reversal of 1427386551552 is 2551556837241.

1427386551552 is a `hidden beast` number, since 1 + 4 + 2 + 7 + 3 + 86 + 5 + 5 + 1 + 552 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 725249811456 + 702136740096 = 851616^2 + 837936^2 .

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 2377977 + ... + 2917112.

Almost surely, 2^{1427386551552} is an apocalyptic number.

1427386551552 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1427386551552 is an abundant number, since it is smaller than the sum of its proper divisors (3156223385508).

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

1427386551552 is an equidigital number, since it uses as much as digits as its factorization.

1427386551552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5295130 (or 5295107 counting only the distinct ones).

The product of its digits is 10080000, while the sum is 54.

The spelling of 1427386551552 in words is "one trillion, four hundred twenty-seven billion, three hundred eighty-six million, five hundred fifty-one thousand, five hundred fifty-two".