403104040 has 32 divisors (see below), whose sum is σ = 908227080. Its totient is φ = 161020672.

The previous prime is 403103999. The next prime is 403104041. The reversal of 403104040 is 40401304.

It can be written as a sum of positive squares in 4 ways, for example, as 259918884 + 143185156 = 16122^2 + 11966^2 .

It is not an unprimeable number, because it can be changed into a prime (403104041) 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, 24402 + ... + 37438.

Almost surely, 2^403104040 is an apocalyptic number.

403104040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

403104040 is an abundant number, since it is smaller than the sum of its proper divisors (505123040).

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

403104040 is a wasteful number, since it uses less digits than its factorization.

403104040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13821 (or 13817 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 403104040 is about 20077.4510334355. The cubic root of 403104040 is about 738.7072877448.

Adding to 403104040 its reverse (40401304), we get a palindrome (443505344).

The spelling of 403104040 in words is "four hundred three million, one hundred four thousand, forty".