425847744 has 168 divisors, whose sum is σ = 1440411648. Its totient is φ = 117711360.

The previous prime is 425847743. The next prime is 425847749. The reversal of 425847744 is 447748524.

It is a tau number, because it is divible by the number of its divisors (168).

It is a self number, because there is not a number n which added to its sum of digits gives 425847744.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (425847743) 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, 123289 + ... + 126695.

Almost surely, 2^425847744 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 425847744, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (720205824).

425847744 is an abundant number, since it is smaller than the sum of its proper divisors (1014563904).

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

425847744 is a wasteful number, since it uses less digits than its factorization.

425847744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3463 (or 3450 counting only the distinct ones).

The product of its digits is 1003520, while the sum is 45.

The square root of 425847744 is about 20636.0786972719. The cubic root of 425847744 is about 752.3468672920.

The spelling of 425847744 in words is "four hundred twenty-five million, eight hundred forty-seven thousand, seven hundred forty-four".