399668941410 has 32 divisors (see below), whose sum is σ = 1015629311232. Its totient is φ = 100309067520.

The previous prime is 399668941409. The next prime is 399668941421. The reversal of 399668941410 is 14149866993.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 391831786 + ... + 391832805.

It is an arithmetic number, because the mean of its divisors is an integer number (31738415976).

Almost surely, 2^399668941410 is an apocalyptic number.

399668941410 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

399668941410 is an abundant number, since it is smaller than the sum of its proper divisors (615960369822).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

399668941410 is a wasteful number, since it uses less digits than its factorization.

399668941410 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 783664618.

The product of its (nonzero) digits is 10077696, while the sum is 60.

The spelling of 399668941410 in words is "three hundred ninety-nine billion, six hundred sixty-eight million, nine hundred forty-one thousand, four hundred ten".