1425245688 has 24 divisors (see below), whose sum is σ = 3860040600. Its totient is φ = 475081872.

The previous prime is 1425245683. The next prime is 1425245753. The reversal of 1425245688 is 8865425241.

1425245688 is a `hidden beast` number, since 1 + 42 + 524 + 5 + 6 + 88 = 666.

It is a tau number, because it is divible by the number of its divisors (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1425245681) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 9897468 + ... + 9897611.

It is an arithmetic number, because the mean of its divisors is an integer number (160835025).

Almost surely, 2^1425245688 is an apocalyptic number.

1425245688 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

1425245688 is an abundant number, since it is smaller than the sum of its proper divisors (2434794912).

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

1425245688 is a wasteful number, since it uses less digits than its factorization.

1425245688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19795091 (or 19795084 counting only the distinct ones).

The product of its digits is 614400, while the sum is 45.

The square root of 1425245688 is about 37752.4262531562. The cubic root of 1425245688 is about 1125.3732260920.

The spelling of 1425245688 in words is "one billion, four hundred twenty-five million, two hundred forty-five thousand, six hundred eighty-eight".