402729845 has 8 divisors (see below), whose sum is σ = 552315264. Its totient is φ = 276157584.

The previous prime is 402729841. The next prime is 402729857. The reversal of 402729845 is 548927204.

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

It is a cyclic number.

It is not a de Polignac number, because 402729845 - 2² = 402729841 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (402729841) 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, 5753249 + ... + 5753318.

It is an arithmetic number, because the mean of its divisors is an integer number (69039408).

Almost surely, 2^402729845 is an apocalyptic number.

It is an amenable number.

402729845 is a deficient number, since it is larger than the sum of its proper divisors (149585419).

402729845 is a wasteful number, since it uses less digits than its factorization.

402729845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11506579.

The product of its (nonzero) digits is 161280, while the sum is 41.

The square root of 402729845 is about 20068.1300822972. The cubic root of 402729845 is about 738.4786402804.

The spelling of 402729845 in words is "four hundred two million, seven hundred twenty-nine thousand, eight hundred forty-five".