399348143290 has 16 divisors (see below), whose sum is σ = 718868742912. Its totient is φ = 159729905104.

The previous prime is 399348143261. The next prime is 399348143291. The reversal of 399348143290 is 92341843993.

It is not an unprimeable number, because it can be changed into a prime (399348143291) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 988354 + ... + 1332493.

It is an arithmetic number, because the mean of its divisors is an integer number (44929296432).

Almost surely, 2^399348143290 is an apocalyptic number.

399348143290 is a deficient number, since it is larger than the sum of its proper divisors (319520599622).

399348143290 is a wasteful number, since it uses less digits than its factorization.

399348143290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2338061.

The product of its (nonzero) digits is 5038848, while the sum is 55.

The spelling of 399348143290 in words is "three hundred ninety-nine billion, three hundred forty-eight million, one hundred forty-three thousand, two hundred ninety".