403042380 has 48 divisors (see below), whose sum is σ = 1215330144. Its totient is φ = 99210240.

The previous prime is 403042351. The next prime is 403042429. The reversal of 403042380 is 83240304.

It is a super-3 number, since 3×403042380³ (a number of 27 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 403042380.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 257581 + ... + 259140.

It is an arithmetic number, because the mean of its divisors is an integer number (25319378).

Almost surely, 2^403042380 is an apocalyptic number.

It is an amenable number.

403042380 is an abundant number, since it is smaller than the sum of its proper divisors (812287764).

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

403042380 is a wasteful number, since it uses less digits than its factorization.

403042380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 516746 (or 516744 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

The square root of 403042380 is about 20075.9154212205. The cubic root of 403042380 is about 738.6696208653.

Adding to 403042380 its reverse (83240304), we get a palindrome (486282684).

The spelling of 403042380 in words is "four hundred three million, forty-two thousand, three hundred eighty".