403340734040 has 64 divisors (see below), whose sum is σ = 942516842400. Its totient is φ = 155212028928.

The previous prime is 403340734033. The next prime is 403340734057. The reversal of 403340734040 is 40437043304.

It is a junction number, because it is equal to n+sod(n) for n = 403340733988 and 403340734006.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1399334 + ... + 1662773.

Almost surely, 2^403340734040 is an apocalyptic number.

403340734040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

403340734040 is an abundant number, since it is smaller than the sum of its proper divisors (539176108360).

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

403340734040 is a wasteful number, since it uses less digits than its factorization.

403340734040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3062244 (or 3062240 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 32.

Adding to 403340734040 its reverse (40437043304), we get a palindrome (443777777344).

The spelling of 403340734040 in words is "four hundred three billion, three hundred forty million, seven hundred thirty-four thousand, forty".