403240020030 has 48 divisors (see below), whose sum is σ = 1048591187280. Its totient is φ = 107513529984.

The previous prime is 403240019989. The next prime is 403240020037. The reversal of 403240020030 is 30020042304.

403240020030 is a `hidden beast` number, since 4 + 0 + 32 + 400 + 200 + 30 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 403240019985 and 403240020012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (403240020037) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 215649 + ... + 923571.

It is an arithmetic number, because the mean of its divisors is an integer number (21845649735).

Almost surely, 2^403240020030 is an apocalyptic number.

403240020030 is an abundant number, since it is smaller than the sum of its proper divisors (645351167250).

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

403240020030 is a wasteful number, since it uses less digits than its factorization.

403240020030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 714265 (or 714262 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 18.

Adding to 403240020030 its reverse (30020042304), we get a palindrome (433260062334).

The spelling of 403240020030 in words is "four hundred three billion, two hundred forty million, twenty thousand, thirty".