402120462 has 8 divisors (see below), whose sum is σ = 804240936. Its totient is φ = 134040152.

The previous prime is 402120461. The next prime is 402120463. The reversal of 402120462 is 264021204.

It is an interprime number because it is at equal distance from previous prime (402120461) and next prime (402120463).

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

402120462 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (402120461) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33510033 + ... + 33510044.

It is an arithmetic number, because the mean of its divisors is an integer number (100530117).

Almost surely, 2^402120462 is an apocalyptic number.

402120462 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

402120462 is a wasteful number, since it uses less digits than its factorization.

402120462 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67020082.

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 402120462 is about 20052.9414799924. The cubic root of 402120462 is about 738.1059806231.

Adding to 402120462 its reverse (264021204), we get a palindrome (666141666).

The spelling of 402120462 in words is "four hundred two million, one hundred twenty thousand, four hundred sixty-two".