1427342040 has 128 divisors (see below), whose sum is σ = 4771224000. Its totient is φ = 379551744.

The previous prime is 1427342023. The next prime is 1427342047. The reversal of 1427342040 is 402437241.

1427342040 is a `hidden beast` number, since 1 + 427 + 34 + 204 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 1427341995 and 1427342013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1427342047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 427096 + ... + 430424.

Almost surely, 2^1427342040 is an apocalyptic number.

1427342040 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 1427342040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2385612000).

1427342040 is an abundant number, since it is smaller than the sum of its proper divisors (3343881960).

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

1427342040 is a wasteful number, since it uses less digits than its factorization.

1427342040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3746 (or 3736 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 27.

The square root of 1427342040 is about 37780.1805183617. The cubic root of 1427342040 is about 1125.9247152599.

Adding to 1427342040 its reverse (402437241), we get a palindrome (1829779281).

The spelling of 1427342040 in words is "one billion, four hundred twenty-seven million, three hundred forty-two thousand, forty".