425008040 has 32 divisors (see below), whose sum is σ = 963809280. Its totient is φ = 168662592.

The previous prime is 425008039. The next prime is 425008063. The reversal of 425008040 is 40800524.

It is a junction number, because it is equal to n+sod(n) for n = 425007997 and 425008015.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36752 + ... + 46911.

It is an arithmetic number, because the mean of its divisors is an integer number (30119040).

Almost surely, 2^425008040 is an apocalyptic number.

425008040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

425008040 is an abundant number, since it is smaller than the sum of its proper divisors (538801240).

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

425008040 is a wasteful number, since it uses less digits than its factorization.

425008040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83801 (or 83797 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 23.

The square root of 425008040 is about 20615.7231258086. The cubic root of 425008040 is about 751.8520391332.

Adding to 425008040 its reverse (40800524), we get a palindrome (465808564).

The spelling of 425008040 in words is "four hundred twenty-five million, eight thousand, forty".