402244400239 has 8 divisors (see below), whose sum is σ = 443335909968. Its totient is φ = 361906863360.

The previous prime is 402244400231. The next prime is 402244400263. The reversal of 402244400239 is 932004442204.

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 402244400239 - 2³ = 402244400231 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (402244400231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 188492092 + ... + 188494225.

It is an arithmetic number, because the mean of its divisors is an integer number (55416988746).

Almost surely, 2^402244400239 is an apocalyptic number.

402244400239 is a deficient number, since it is larger than the sum of its proper divisors (41091509729).

402244400239 is a wasteful number, since it uses less digits than its factorization.

402244400239 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 376986425.

The product of its (nonzero) digits is 55296, while the sum is 34.

The spelling of 402244400239 in words is "four hundred two billion, two hundred forty-four million, four hundred thousand, two hundred thirty-nine".