1427940288 has 84 divisors (see below), whose sum is σ = 4308383560. Its totient is φ = 450925056.

The previous prime is 1427940281. The next prime is 1427940301. The reversal of 1427940288 is 8820497241.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1427940281) 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 11 ways as a sum of consecutive naturals, for example, 54295 + ... + 76182.

Almost surely, 2^1427940288 is an apocalyptic number.

1427940288 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

1427940288 is an abundant number, since it is smaller than the sum of its proper divisors (2880443272).

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

1427940288 is a wasteful number, since it uses less digits than its factorization.

1427940288 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130514 (or 130501 counting only the distinct ones).

The product of its (nonzero) digits is 258048, while the sum is 45.

The square root of 1427940288 is about 37788.0971735810. The cubic root of 1427940288 is about 1126.0819978418.

The spelling of 1427940288 in words is "one billion, four hundred twenty-seven million, nine hundred forty thousand, two hundred eighty-eight".