405127820299 has 8 divisors (see below), whose sum is σ = 412527277568. Its totient is φ = 397794136320.

The previous prime is 405127820263. The next prime is 405127820347. The reversal of 405127820299 is 992028721504.

It is a happy number.

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 405127820299 - 2⁷ = 405127820171 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (405127820599) 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, 16430892 + ... + 16455529.

It is an arithmetic number, because the mean of its divisors is an integer number (51565909696).

Almost surely, 2^405127820299 is an apocalyptic number.

405127820299 is a deficient number, since it is larger than the sum of its proper divisors (7399457269).

405127820299 is a wasteful number, since it uses less digits than its factorization.

405127820299 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32886645.

The product of its (nonzero) digits is 725760, while the sum is 49.

The spelling of 405127820299 in words is "four hundred five billion, one hundred twenty-seven million, eight hundred twenty thousand, two hundred ninety-nine".