402025630 has 8 divisors (see below), whose sum is σ = 723646152. Its totient is φ = 160810248.

The previous prime is 402025627. The next prime is 402025633. The reversal of 402025630 is 36520204.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (402025627) and next prime (402025633).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (402025633) 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 3 ways as a sum of consecutive naturals, for example, 20101272 + ... + 20101291.

It is an arithmetic number, because the mean of its divisors is an integer number (90455769).

Almost surely, 2^402025630 is an apocalyptic number.

402025630 is a deficient number, since it is larger than the sum of its proper divisors (321620522).

402025630 is a wasteful number, since it uses less digits than its factorization.

402025630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40202570.

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 402025630 is about 20050.5767996833. The cubic root of 402025630 is about 738.0479535921.

Adding to 402025630 its reverse (36520204), we get a palindrome (438545834).

The spelling of 402025630 in words is "four hundred two million, twenty-five thousand, six hundred thirty".