403220402340 has 96 divisors (see below), whose sum is σ = 1290391221504. Its totient is φ = 92158525440.

The previous prime is 403220402339. The next prime is 403220402393. The reversal of 403220402340 is 43204022304.

It is a self number, because there is not a number n which added to its sum of digits gives 403220402340.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10100820 + ... + 10140660.

It is an arithmetic number, because the mean of its divisors is an integer number (13441575224).

Almost surely, 2^403220402340 is an apocalyptic number.

It is an amenable number.

403220402340 is an abundant number, since it is smaller than the sum of its proper divisors (887170819164).

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

403220402340 is a wasteful number, since it uses less digits than its factorization.

403220402340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63957 (or 63955 counting only the distinct ones).

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

Adding to 403220402340 its reverse (43204022304), we get a palindrome (446424424644).

The spelling of 403220402340 in words is "four hundred three billion, two hundred twenty million, four hundred two thousand, three hundred forty".