402030300 has 144 divisors (see below), whose sum is σ = 1356857600. Its totient is φ = 91869120.

The previous prime is 402030247. The next prime is 402030313. The reversal of 402030300 is 3030204.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 100947 + ... + 104853.

Almost surely, 2^402030300 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 402030300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (678428800).

402030300 is an abundant number, since it is smaller than the sum of its proper divisors (954827300).

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

402030300 is a wasteful number, since it uses less digits than its factorization.

402030300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3945 (or 3924 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 12.

The square root of 402030300 is about 20050.6932548478. The cubic root of 402030300 is about 738.0508113457.

Adding to 402030300 its reverse (3030204), we get a palindrome (405060504).

The spelling of 402030300 in words is "four hundred two million, thirty thousand, three hundred".