1427142996 has 96 divisors (see below), whose sum is σ = 4008977280. Its totient is φ = 437294592.

The previous prime is 1427142949. The next prime is 1427143033. The reversal of 1427142996 is 6992417241.

It is a congruent number.

It is an unprimeable number.

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, 69910 + ... + 87986.

It is an arithmetic number, because the mean of its divisors is an integer number (41760180).

Almost surely, 2^1427142996 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1427142996, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2004488640).

1427142996 is an abundant number, since it is smaller than the sum of its proper divisors (2581834284).

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

1427142996 is a wasteful number, since it uses less digits than its factorization.

1427142996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18150 (or 18142 counting only the distinct ones).

The product of its digits is 217728, while the sum is 45.

The square root of 1427142996 is about 37777.5461881790. The cubic root of 1427142996 is about 1125.8723757900.

The spelling of 1427142996 in words is "one billion, four hundred twenty-seven million, one hundred forty-two thousand, nine hundred ninety-six".