403242423442 has 32 divisors (see below), whose sum is σ = 618165434880. Its totient is φ = 197241868800.

The previous prime is 403242423427. The next prime is 403242423481. The reversal of 403242423442 is 244324242304.

It is a super-2 number, since 2×403242423442² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 403242423398 and 403242423407.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12112063 + ... + 12145309.

It is an arithmetic number, because the mean of its divisors is an integer number (19317669840).

Almost surely, 2^403242423442 is an apocalyptic number.

403242423442 is a deficient number, since it is larger than the sum of its proper divisors (214923011438).

403242423442 is a wasteful number, since it uses less digits than its factorization.

403242423442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34066.

The product of its (nonzero) digits is 147456, while the sum is 34.

Adding to 403242423442 its reverse (244324242304), we get a palindrome (647566665746).

The spelling of 403242423442 in words is "four hundred three billion, two hundred forty-two million, four hundred twenty-three thousand, four hundred forty-two".