425878280 has 32 divisors (see below), whose sum is σ = 978618240. Its totient is φ = 166726080.

The previous prime is 425878273. The next prime is 425878283. The reversal of 425878280 is 82878524.

It is not an unprimeable number, because it can be changed into a prime (425878283) by changing a digit.

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, 111386 + ... + 115145.

It is an arithmetic number, because the mean of its divisors is an integer number (30581820).

Almost surely, 2^425878280 is an apocalyptic number.

425878280 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

425878280 is an abundant number, since it is smaller than the sum of its proper divisors (552739960).

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

425878280 is a wasteful number, since it uses less digits than its factorization.

425878280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 226589 (or 226585 counting only the distinct ones).

The product of its (nonzero) digits is 286720, while the sum is 44.

The square root of 425878280 is about 20636.8185532557. The cubic root of 425878280 is about 752.3648495522.

The spelling of 425878280 in words is "four hundred twenty-five million, eight hundred seventy-eight thousand, two hundred eighty".