403204430040 has 32 divisors (see below), whose sum is σ = 1209613290480. Its totient is φ = 107521181312.

The previous prime is 403204430009. The next prime is 403204430047. The reversal of 403204430040 is 40034402304.

It is a happy number.

403204430040 is digitally balanced in base 7, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (403204430047) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1680018339 + ... + 1680018578.

Almost surely, 2^403204430040 is an apocalyptic number.

403204430040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

403204430040 is an abundant number, since it is smaller than the sum of its proper divisors (806408860440).

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

403204430040 is a wasteful number, since it uses less digits than its factorization.

403204430040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3360036931 (or 3360036927 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 24.

Adding to 403204430040 its reverse (40034402304), we get a palindrome (443238832344).

The spelling of 403204430040 in words is "four hundred three billion, two hundred four million, four hundred thirty thousand, forty".