403220401242 has 16 divisors (see below), whose sum is σ = 806791914432. Its totient is φ = 134348281760.

The previous prime is 403220401223. The next prime is 403220401291. The reversal of 403220401242 is 242104022304.

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, 14614734 + ... + 14642297.

It is an arithmetic number, because the mean of its divisors is an integer number (50424494652).

Almost surely, 2^403220401242 is an apocalyptic number.

403220401242 is an abundant number, since it is smaller than the sum of its proper divisors (403571513190).

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

403220401242 is a wasteful number, since it uses less digits than its factorization.

403220401242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29259333.

The product of its (nonzero) digits is 3072, while the sum is 24.

Adding to 403220401242 its reverse (242104022304), we get a palindrome (645324423546).

The spelling of 403220401242 in words is "four hundred three billion, two hundred twenty million, four hundred one thousand, two hundred forty-two".