425010440 has 32 divisors (see below), whose sum is σ = 961632000. Its totient is φ = 169051584.

The previous prime is 425010437. The next prime is 425010451. The reversal of 425010440 is 44010524.

It is a Harshad number since it is a multiple of its sum of digits (20).

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, 22520 + ... + 36839.

It is an arithmetic number, because the mean of its divisors is an integer number (30051000).

Almost surely, 2^425010440 is an apocalyptic number.

425010440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

425010440 is an abundant number, since it is smaller than the sum of its proper divisors (536621560).

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

425010440 is a wasteful number, since it uses less digits than its factorization.

425010440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59549 (or 59545 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 20.

The square root of 425010440 is about 20615.7813337259. The cubic root of 425010440 is about 751.8534543547.

Adding to 425010440 its reverse (44010524), we get a palindrome (469020964).

The spelling of 425010440 in words is "four hundred twenty-five million, ten thousand, four hundred forty".