425189880 has 192 divisors, whose sum is σ = 1444716000. Its totient is φ = 108315648.

The previous prime is 425189861. The next prime is 425189911. The reversal of 425189880 is 88981524.

It is a happy number.

425189880 is a `hidden beast` number, since 42 + 518 + 98 + 8 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 1451014 + ... + 1451306.

Almost surely, 2^425189880 is an apocalyptic number.

425189880 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 425189880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (722358000).

425189880 is an abundant number, since it is smaller than the sum of its proper divisors (1019526120).

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

425189880 is a wasteful number, since it uses less digits than its factorization.

425189880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 478 (or 471 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 45.

The square root of 425189880 is about 20620.1328802702. The cubic root of 425189880 is about 751.9592506590.

The spelling of 425189880 in words is "four hundred twenty-five million, one hundred eighty-nine thousand, eight hundred eighty".