403242402425 has 12 divisors (see below), whose sum is σ = 500300444496. Its totient is φ = 322413363600.

The previous prime is 403242402421. The next prime is 403242402439. The reversal of 403242402425 is 524204242304.

It is not a de Polignac number, because 403242402425 - 2² = 403242402421 is a prime.

It is a super-2 number, since 2×403242402425² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 403242402391 and 403242402400.

It is not an unprimeable number, because it can be changed into a prime (403242402421) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4468391 + ... + 4557740.

It is an arithmetic number, because the mean of its divisors is an integer number (41691703708).

Almost surely, 2^403242402425 is an apocalyptic number.

It is an amenable number.

403242402425 is a deficient number, since it is larger than the sum of its proper divisors (97058042071).

403242402425 is a wasteful number, since it uses less digits than its factorization.

403242402425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9027928 (or 9027923 counting only the distinct ones).

The product of its (nonzero) digits is 61440, while the sum is 32.

Adding to 403242402425 its reverse (524204242304), we get a palindrome (927446644729).

The spelling of 403242402425 in words is "four hundred three billion, two hundred forty-two million, four hundred two thousand, four hundred twenty-five".