405477099 has 24 divisors (see below), whose sum is σ = 596795472. Its totient is φ = 265224960.

The previous prime is 405477073. The next prime is 405477151. The reversal of 405477099 is 990774504.

It is not a de Polignac number, because 405477099 - 2¹⁹ = 404952811 is a prime.

It is not an unprimeable number, because it can be changed into a prime (405477019) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 168247 + ... + 170639.

It is an arithmetic number, because the mean of its divisors is an integer number (24866478).

Almost surely, 2^405477099 is an apocalyptic number.

405477099 is a deficient number, since it is larger than the sum of its proper divisors (191318373).

405477099 is a wasteful number, since it uses less digits than its factorization.

405477099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2747 (or 2744 counting only the distinct ones).

The product of its (nonzero) digits is 317520, while the sum is 45.

The square root of 405477099 is about 20136.4619285514. The cubic root of 405477099 is about 740.1540335548.

The spelling of 405477099 in words is "four hundred five million, four hundred seventy-seven thousand, ninety-nine".