425886840 has 96 divisors (see below), whose sum is σ = 1404870480. Its totient is φ = 111868416.

The previous prime is 425886833. The next prime is 425886847. The reversal of 425886840 is 48688524.

425886840 is a `hidden beast` number, since 4 + 2 + 588 + 68 + 4 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (425886833) and next prime (425886847).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (425886847) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15292 + ... + 32948.

Almost surely, 2^425886840 is an apocalyptic number.

425886840 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 425886840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (702435240).

425886840 is an abundant number, since it is smaller than the sum of its proper divisors (978983640).

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

425886840 is a wasteful number, since it uses less digits than its factorization.

425886840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17741 (or 17734 counting only the distinct ones).

The product of its (nonzero) digits is 491520, while the sum is 45.

The square root of 425886840 is about 20637.0259485227. The cubic root of 425886840 is about 752.3698902726.

The spelling of 425886840 in words is "four hundred twenty-five million, eight hundred eighty-six thousand, eight hundred forty".