403040434340 has 12 divisors (see below), whose sum is σ = 846384912156. Its totient is φ = 161216173728.

The previous prime is 403040434217. The next prime is 403040434367. The reversal of 403040434340 is 43434040304.

It can be written as a sum of positive squares in 2 ways, for example, as 75819825316 + 327220609024 = 275354^2 + 572032^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10076010839 + ... + 10076010878.

It is an arithmetic number, because the mean of its divisors is an integer number (70532076013).

Almost surely, 2^403040434340 is an apocalyptic number.

It is an amenable number.

403040434340 is an abundant number, since it is smaller than the sum of its proper divisors (443344477816).

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

403040434340 is a wasteful number, since it uses less digits than its factorization.

403040434340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20152021726 (or 20152021724 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 29.

Adding to 403040434340 its reverse (43434040304), we get a palindrome (446474474644).

The spelling of 403040434340 in words is "four hundred three billion, forty million, four hundred thirty-four thousand, three hundred forty".