425434044 has 96 divisors (see below), whose sum is σ = 1209793536. Its totient is φ = 113587200.

The previous prime is 425434043. The next prime is 425434057. The reversal of 425434044 is 440434524.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (425434043) 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, 214642 + ... + 216614.

It is an arithmetic number, because the mean of its divisors is an integer number (12602016).

Almost surely, 2^425434044 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 425434044, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (604896768).

425434044 is an abundant number, since it is smaller than the sum of its proper divisors (784359492).

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

425434044 is a wasteful number, since it uses less digits than its factorization.

425434044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2155 (or 2153 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 30.

The square root of 425434044 is about 20626.0525549607. The cubic root of 425434044 is about 752.1031598896.

Adding to 425434044 its reverse (440434524), we get a palindrome (865868568).

The spelling of 425434044 in words is "four hundred twenty-five million, four hundred thirty-four thousand, forty-four".