405274499 has 8 divisors (see below), whose sum is σ = 463326720. Its totient is φ = 347261256.

The previous prime is 405274483. The next prime is 405274511. The reversal of 405274499 is 994472504.

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 405274499 - 2⁴ = 405274483 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (405274459) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17702 + ... + 33524.

It is an arithmetic number, because the mean of its divisors is an integer number (57915840).

Almost surely, 2^405274499 is an apocalyptic number.

405274499 is a deficient number, since it is larger than the sum of its proper divisors (58052221).

405274499 is a wasteful number, since it uses less digits than its factorization.

405274499 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19489.

The product of its (nonzero) digits is 362880, while the sum is 44.

The square root of 405274499 is about 20131.4306247718. The cubic root of 405274499 is about 740.0307383141.

The spelling of 405274499 in words is "four hundred five million, two hundred seventy-four thousand, four hundred ninety-nine".