402404224399 has 8 divisors (see below), whose sum is σ = 405128984832. Its totient is φ = 399682586520.

The previous prime is 402404224253. The next prime is 402404224477. The reversal of 402404224399 is 993422404204.

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 402404224399 - 2¹¹ = 402404222351 is a prime.

It is a super-2 number, since 2×402404224399² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (402404924399) 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, 521737 + ... + 1037794.

It is an arithmetic number, because the mean of its divisors is an integer number (50641123104).

Almost surely, 2^402404224399 is an apocalyptic number.

402404224399 is a deficient number, since it is larger than the sum of its proper divisors (2724760433).

402404224399 is a wasteful number, since it uses less digits than its factorization.

402404224399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1561277.

The product of its (nonzero) digits is 497664, while the sum is 43.

The spelling of 402404224399 in words is "four hundred two billion, four hundred four million, two hundred twenty-four thousand, three hundred ninety-nine".