425515240 has 32 divisors (see below), whose sum is σ = 958056480. Its totient is φ = 170091072.

The previous prime is 425515213. The next prime is 425515271. The reversal of 425515240 is 42515524.

It is a junction number, because it is equal to n+sod(n) for n = 425515199 and 425515208.

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, 80767 + ... + 85873.

It is an arithmetic number, because the mean of its divisors is an integer number (29939265).

Almost surely, 2^425515240 is an apocalyptic number.

425515240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

425515240 is an abundant number, since it is smaller than the sum of its proper divisors (532541240).

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

425515240 is a wasteful number, since it uses less digits than its factorization.

425515240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7201 (or 7197 counting only the distinct ones).

The product of its (nonzero) digits is 8000, while the sum is 28.

The square root of 425515240 is about 20628.0207484868. The cubic root of 425515240 is about 752.1510042691.

The spelling of 425515240 in words is "four hundred twenty-five million, five hundred fifteen thousand, two hundred forty".