425234540 has 48 divisors (see below), whose sum is σ = 926100000. Its totient is φ = 163817472.

The previous prime is 425234539. The next prime is 425234561. The reversal of 425234540 is 45432524.

It is a Harshad number since it is a multiple of its sum of digits (29).

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, 339836 + ... + 341084.

It is an arithmetic number, because the mean of its divisors is an integer number (19293750).

Almost surely, 2^425234540 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 425234540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (463050000).

425234540 is an abundant number, since it is smaller than the sum of its proper divisors (500865460).

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

425234540 is a wasteful number, since it uses less digits than its factorization.

425234540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1874 (or 1872 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 29.

The square root of 425234540 is about 20621.2157740517. The cubic root of 425234540 is about 751.9855771906.

The spelling of 425234540 in words is "four hundred twenty-five million, two hundred thirty-four thousand, five hundred forty".