402662345 has 8 divisors (see below), whose sum is σ = 508626240. Its totient is φ = 305175600.

The previous prime is 402662341. The next prime is 402662399. The reversal of 402662345 is 543266204.

402662345 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 402662345 - 2² = 402662341 is a prime.

It is not an unprimeable number, because it can be changed into a prime (402662341) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2119181 + ... + 2119370.

It is an arithmetic number, because the mean of its divisors is an integer number (63578280).

Almost surely, 2^402662345 is an apocalyptic number.

It is an amenable number.

402662345 is a deficient number, since it is larger than the sum of its proper divisors (105963895).

402662345 is a wasteful number, since it uses less digits than its factorization.

402662345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4238575.

The product of its (nonzero) digits is 34560, while the sum is 32.

The square root of 402662345 is about 20066.4482407824. The cubic root of 402662345 is about 738.4373801205.

The spelling of 402662345 in words is "four hundred two million, six hundred sixty-two thousand, three hundred forty-five".