405102099 has 16 divisors (see below), whose sum is σ = 554954400. Its totient is φ = 262698240.

The previous prime is 405102067. The next prime is 405102143. The reversal of 405102099 is 990201504.

It is a happy number.

It is not a de Polignac number, because 405102099 - 2⁵ = 405102067 is a prime.

It is a super-2 number, since 2×405102099² = 328215421228411602, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (405102029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38209 + ... + 47645.

It is an arithmetic number, because the mean of its divisors is an integer number (34684650).

Almost surely, 2^405102099 is an apocalyptic number.

405102099 is a deficient number, since it is larger than the sum of its proper divisors (149852301).

405102099 is a wasteful number, since it uses less digits than its factorization.

405102099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9830.

The product of its (nonzero) digits is 3240, while the sum is 30.

The square root of 405102099 is about 20127.1483076962. The cubic root of 405102099 is about 739.9257893684.

The spelling of 405102099 in words is "four hundred five million, one hundred two thousand, ninety-nine".