425843680 has 48 divisors (see below), whose sum is σ = 1007705664. Its totient is φ = 170058240.

The previous prime is 425843653. The next prime is 425843687. The reversal of 425843680 is 86348524.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (425843687) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 115465 + ... + 119095.

It is an arithmetic number, because the mean of its divisors is an integer number (20993868).

Almost surely, 2^425843680 is an apocalyptic number.

425843680 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

425843680 is an abundant number, since it is smaller than the sum of its proper divisors (581861984).

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

425843680 is a wasteful number, since it uses less digits than its factorization.

425843680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4379 (or 4371 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 40.

The square root of 425843680 is about 20635.9802287170. The cubic root of 425843680 is about 752.3444739895.

It can be divided in two parts, 42584 and 3680, that added together give a palindrome (46264).

The spelling of 425843680 in words is "four hundred twenty-five million, eight hundred forty-three thousand, six hundred eighty".