425535140 has 48 divisors (see below), whose sum is σ = 938165760. Its totient is φ = 161917440.

The previous prime is 425535101. The next prime is 425535151. The reversal of 425535140 is 41535524.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30764 + ... + 42396.

It is an arithmetic number, because the mean of its divisors is an integer number (19545120).

Almost surely, 2^425535140 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 425535140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (469082880).

425535140 is an abundant number, since it is smaller than the sum of its proper divisors (512630620).

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

425535140 is a wasteful number, since it uses less digits than its factorization.

425535140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11732 (or 11730 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 29.

The square root of 425535140 is about 20628.5030964440. The cubic root of 425535140 is about 752.1627293264.

The spelling of 425535140 in words is "four hundred twenty-five million, five hundred thirty-five thousand, one hundred forty".