1427944140000 has 600 divisors, whose sum is σ = 5997476480688. Its totient is φ = 326384640000.

The previous prime is 1427944139933. The next prime is 1427944140013. The reversal of 1427944140000 is 414497241.

1427944140000 is a `hidden beast` number, since 1 + 427 + 94 + 4 + 140 + 0 + 0 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (600).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 99 ways as a sum of consecutive naturals, for example, 11277040 + ... + 11402960.

Almost surely, 2^{1427944140000} is an apocalyptic number.

1427944140000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1427944140000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2998738240344).

1427944140000 is an abundant number, since it is smaller than the sum of its proper divisors (4569532340688).

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

1427944140000 is an equidigital number, since it uses as much as digits as its factorization.

1427944140000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125970 (or 125938 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 36.

The spelling of 1427944140000 in words is "one trillion, four hundred twenty-seven billion, nine hundred forty-four million, one hundred forty thousand".