399904442100143 has 8 divisors (see below), whose sum is σ = 434531142520320. Its totient is φ = 366635651500440.

The previous prime is 399904442100113. The next prime is 399904442100169. The reversal of 399904442100143 is 341001244409993.

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 399904442100143 - 2¹⁶ = 399904442034607 is a prime.

It is a super-2 number, since 2×399904442100143² (a number of 30 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 (399904442100103) 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, 339477454505 + ... + 339477455682.

It is an arithmetic number, because the mean of its divisors is an integer number (54316392815040).

Almost surely, 2^{399904442100143} is an apocalyptic number.

399904442100143 is a deficient number, since it is larger than the sum of its proper divisors (34626700420177).

399904442100143 is a wasteful number, since it uses less digits than its factorization.

399904442100143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 678954910237.

The product of its (nonzero) digits is 3359232, while the sum is 53.

The spelling of 399904442100143 in words is "three hundred ninety-nine trillion, nine hundred four billion, four hundred forty-two million, one hundred thousand, one hundred forty-three".