425834240 has 144 divisors (see below), whose sum is σ = 1112246688. Its totient is φ = 155271168.

The previous prime is 425834219. The next prime is 425834249. The reversal of 425834240 is 42438524.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a junction number, because it is equal to n+sod(n) for n = 425834197 and 425834206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (425834249) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2612399 + ... + 2612561.

Almost surely, 2^425834240 is an apocalyptic number.

425834240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 425834240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (556123344).

425834240 is an abundant number, since it is smaller than the sum of its proper divisors (686412448).

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

425834240 is a wasteful number, since it uses less digits than its factorization.

425834240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 354 (or 340 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 32.

The square root of 425834240 is about 20635.7515007329. The cubic root of 425834240 is about 752.3389146848.

The spelling of 425834240 in words is "four hundred twenty-five million, eight hundred thirty-four thousand, two hundred forty".