425315044 has 96 divisors (see below), whose sum is σ = 1016789760. Its totient is φ = 150528000.

The previous prime is 425315039. The next prime is 425315047. The reversal of 425315044 is 440513524.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is not an unprimeable number, because it can be changed into a prime (425315047) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 150444 + ... + 153244.

It is an arithmetic number, because the mean of its divisors is an integer number (10591560).

Almost surely, 2^425315044 is an apocalyptic number.

425315044 is a gapful number since it is divisible by the number (44) 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 425315044, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (508394880).

425315044 is an abundant number, since it is smaller than the sum of its proper divisors (591474716).

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

425315044 is a wasteful number, since it uses less digits than its factorization.

425315044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2869 (or 2867 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 28.

The square root of 425315044 is about 20623.1676519394. The cubic root of 425315044 is about 752.0330286723.

Adding to 425315044 its reverse (440513524), we get a palindrome (865828568).

The spelling of 425315044 in words is "four hundred twenty-five million, three hundred fifteen thousand, forty-four".