425336420 has 24 divisors (see below), whose sum is σ = 893753784. Its totient is φ = 170030336.

The previous prime is 425336389. The next prime is 425336441. The reversal of 425336420 is 24633524.

It can be written as a sum of positive squares in 4 ways, for example, as 38663524 + 386672896 = 6218^2 + 19664^2 .

It is a super-2 number, since 2×425336420² = 361822140356832800, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32702 + ... + 43818.

It is an arithmetic number, because the mean of its divisors is an integer number (37239741).

Almost surely, 2^425336420 is an apocalyptic number.

It is an amenable number.

425336420 is an abundant number, since it is smaller than the sum of its proper divisors (468417364).

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

425336420 is a wasteful number, since it uses less digits than its factorization.

425336420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13039 (or 13037 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 29.

The square root of 425336420 is about 20623.6858975305. The cubic root of 425336420 is about 752.0456273243.

Adding to 425336420 its reverse (24633524), we get a palindrome (449969944).

The spelling of 425336420 in words is "four hundred twenty-five million, three hundred thirty-six thousand, four hundred twenty".