402324030 has 32 divisors (see below), whose sum is σ = 1072864800. Its totient is φ = 107286336.

The previous prime is 402324001. The next prime is 402324049. The reversal of 402324030 is 30423204.

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

It is a junction number, because it is equal to n+sod(n) for n = 402323994 and 402324012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 744775 + ... + 745314.

It is an arithmetic number, because the mean of its divisors is an integer number (33527025).

Almost surely, 2^402324030 is an apocalyptic number.

402324030 is an abundant number, since it is smaller than the sum of its proper divisors (670540770).

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

402324030 is a wasteful number, since it uses less digits than its factorization.

402324030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1490105 (or 1490099 counting only the distinct ones).

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

The square root of 402324030 is about 20058.0166018478. The cubic root of 402324030 is about 738.2305116403.

Adding to 402324030 its reverse (30423204), we get a palindrome (432747234).

The spelling of 402324030 in words is "four hundred two million, three hundred twenty-four thousand, thirty".