425046840 has 64 divisors (see below), whose sum is σ = 1281260160. Its totient is φ = 112801920.

The previous prime is 425046829. The next prime is 425046857. The reversal of 425046840 is 48640524.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16927 + ... + 33713.

It is an arithmetic number, because the mean of its divisors is an integer number (20019690).

Almost surely, 2^425046840 is an apocalyptic number.

425046840 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 425046840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (640630080).

425046840 is an abundant number, since it is smaller than the sum of its proper divisors (856213320).

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

425046840 is a wasteful number, since it uses less digits than its factorization.

425046840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17012 (or 17008 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 33.

The square root of 425046840 is about 20616.6641336565. The cubic root of 425046840 is about 751.8749178937.

The spelling of 425046840 in words is "four hundred twenty-five million, forty-six thousand, eight hundred forty".