405117038 has 16 divisors (see below), whose sum is σ = 643839840. Its totient is φ = 190519296.

The previous prime is 405117019. The next prime is 405117079. The reversal of 405117038 is 830711504.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 405117038.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 69023 + ... + 74661.

It is an arithmetic number, because the mean of its divisors is an integer number (40239990).

Almost surely, 2^405117038 is an apocalyptic number.

405117038 is a deficient number, since it is larger than the sum of its proper divisors (238722802).

405117038 is a wasteful number, since it uses less digits than its factorization.

405117038 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7771.

The product of its (nonzero) digits is 3360, while the sum is 29.

The square root of 405117038 is about 20127.5194199385. The cubic root of 405117038 is about 739.9348847014.

The spelling of 405117038 in words is "four hundred five million, one hundred seventeen thousand, thirty-eight".