1427190249560 has 64 divisors (see below), whose sum is σ = 3291400046880. Its totient is φ = 556659210240.

The previous prime is 1427190249559. The next prime is 1427190249587. The reversal of 1427190249560 is 659420917241.

It is a junction number, because it is equal to n+sod(n) for n = 1427190249499 and 1427190249508.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 320330 + ... + 1719590.

Almost surely, 2^{1427190249560} is an apocalyptic number.

1427190249560 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 1427190249560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1645700023440).

1427190249560 is an abundant number, since it is smaller than the sum of its proper divisors (1864209797320).

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

1427190249560 is a wasteful number, since it uses less digits than its factorization.

1427190249560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1399908 (or 1399904 counting only the distinct ones).

The product of its (nonzero) digits is 1088640, while the sum is 50.

The spelling of 1427190249560 in words is "one trillion, four hundred twenty-seven billion, one hundred ninety million, two hundred forty-nine thousand, five hundred sixty".