403200042 has 64 divisors (see below), whose sum is σ = 941137920. Its totient is φ = 112784256.

The previous prime is 403200023. The next prime is 403200089. The reversal of 403200042 is 240002304.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 403199994 and 403200030.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 454123 + ... + 455009.

It is an arithmetic number, because the mean of its divisors is an integer number (14705280).

Almost surely, 2^403200042 is an apocalyptic number.

403200042 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 403200042, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (470568960).

403200042 is an abundant number, since it is smaller than the sum of its proper divisors (537937878).

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

403200042 is a wasteful number, since it uses less digits than its factorization.

403200042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1115.

The product of its (nonzero) digits is 192, while the sum is 15.

The square root of 403200042 is about 20079.8416826428. The cubic root of 403200042 is about 738.7659258307.

Adding to 403200042 its reverse (240002304), we get a palindrome (643202346).

The spelling of 403200042 in words is "four hundred three million, two hundred thousand, forty-two".