402204030 has 32 divisors (see below), whose sum is σ = 968605344. Its totient is φ = 106886016.

The previous prime is 402204017. The next prime is 402204031. The reversal of 402204030 is 30402204.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (402204031) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 14089 + ... + 31668.

It is an arithmetic number, because the mean of its divisors is an integer number (30268917).

Almost surely, 2^402204030 is an apocalyptic number.

402204030 is an abundant number, since it is smaller than the sum of its proper divisors (566401314).

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

402204030 is a wasteful number, since it uses less digits than its factorization.

402204030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46060.

The product of its (nonzero) digits is 192, while the sum is 15.

The square root of 402204030 is about 20055.0250560801. The cubic root of 402204030 is about 738.1571077305.

Adding to 402204030 its reverse (30402204), we get a palindrome (432606234).

The spelling of 402204030 in words is "four hundred two million, two hundred four thousand, thirty".