1425478208 has 252 divisors, whose sum is σ = 3795436656. Its totient is φ = 524966400.

The previous prime is 1425478139. The next prime is 1425478213. The reversal of 1425478208 is 8028745241.

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 35 ways as a sum of consecutive naturals, for example, 33150635 + ... + 33150677.

Almost surely, 2^1425478208 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 1425478208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1897718328).

1425478208 is an abundant number, since it is smaller than the sum of its proper divisors (2369958448).

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

1425478208 is a wasteful number, since it uses less digits than its factorization.

1425478208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142 (or 94 counting only the distinct ones).

The product of its (nonzero) digits is 143360, while the sum is 41.

The square root of 1425478208 is about 37755.5056647372. The cubic root of 1425478208 is about 1125.4344219864.

The spelling of 1425478208 in words is "one billion, four hundred twenty-five million, four hundred seventy-eight thousand, two hundred eight".