425303040 has 88 divisors (see below), whose sum is σ = 1360354320. Its totient is φ = 113410048.

The previous prime is 425302987. The next prime is 425303071. The reversal of 425303040 is 40303524.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 425302998 and 425303016.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1516 + ... + 29204.

Almost surely, 2^425303040 is an apocalyptic number.

425303040 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 425303040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (680177160).

425303040 is an abundant number, since it is smaller than the sum of its proper divisors (935051280).

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

425303040 is a wasteful number, since it uses less digits than its factorization.

425303040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27717 (or 27699 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 21.

The square root of 425303040 is about 20622.8766179697. The cubic root of 425303040 is about 752.0259535331.

Adding to 425303040 its reverse (40303524), we get a palindrome (465606564).

The spelling of 425303040 in words is "four hundred twenty-five million, three hundred three thousand, forty".