425550000 has 120 divisors (see below), whose sum is σ = 1374568272. Its totient is φ = 113440000.

The previous prime is 425549953. The next prime is 425550017. The reversal of 425550000 is 55524.

It is a tau number, because it is divible by the number of its divisors (120).

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 23 ways as a sum of consecutive naturals, for example, 148582 + ... + 151418.

Almost surely, 2^425550000 is an apocalyptic number.

425550000 is a gapful number since it is divisible by the number (40) 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 425550000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (687284136).

425550000 is an abundant number, since it is smaller than the sum of its proper divisors (949018272).

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

425550000 is an equidigital number, since it uses as much as digits as its factorization.

425550000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2873 (or 2847 counting only the distinct ones).

The product of its (nonzero) digits is 1000, while the sum is 21.

The square root of 425550000 is about 20628.8632745481. The cubic root of 425550000 is about 752.1714845830.

The spelling of 425550000 in words is "four hundred twenty-five million, five hundred fifty thousand".