425506260 has 144 divisors (see below), whose sum is σ = 1292288256. Its totient is φ = 104552448.

The previous prime is 425506259. The next prime is 425506297. The reversal of 425506260 is 62605524.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 918789 + ... + 919251.

It is an arithmetic number, because the mean of its divisors is an integer number (8974224).

Almost surely, 2^425506260 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 425506260, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (646144128).

425506260 is an abundant number, since it is smaller than the sum of its proper divisors (866781996).

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

425506260 is a wasteful number, since it uses less digits than its factorization.

425506260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 562 (or 543 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 30.

The square root of 425506260 is about 20627.8030822480. The cubic root of 425506260 is about 752.1457131437.

The spelling of 425506260 in words is "four hundred twenty-five million, five hundred six thousand, two hundred sixty".