1425646000 has 80 divisors (see below), whose sum is σ = 3628740960. Its totient is φ = 540230400.

The previous prime is 1425645997. The next prime is 1425646009. The reversal of 1425646000 is 6465241.

It is a tau number, because it is divible by the number of its divisors (80).

It is a self number, because there is not a number n which added to its sum of digits gives 1425646000.

It is not an unprimeable number, because it can be changed into a prime (1425646009) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19242 + ... + 56758.

It is an arithmetic number, because the mean of its divisors is an integer number (45359262).

Almost surely, 2^1425646000 is an apocalyptic number.

1425646000 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 1425646000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1814370480).

1425646000 is an abundant number, since it is smaller than the sum of its proper divisors (2203094960).

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

1425646000 is a wasteful number, since it uses less digits than its factorization.

1425646000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37559 (or 37543 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 1425646000 is about 37757.7276858658. The cubic root of 1425646000 is about 1125.4785782755.

The spelling of 1425646000 in words is "one billion, four hundred twenty-five million, six hundred forty-six thousand".