399761405116 has 12 divisors (see below), whose sum is σ = 704038399288. Its totient is φ = 198607576752.

The previous prime is 399761405101. The next prime is 399761405119. The reversal of 399761405116 is 611504167993.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (399761405119) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 318280746 + ... + 318282001.

Almost surely, 2^399761405116 is an apocalyptic number.

It is an amenable number.

399761405116 is a deficient number, since it is larger than the sum of its proper divisors (304276994172).

399761405116 is a wasteful number, since it uses less digits than its factorization.

399761405116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 636562908 (or 636562906 counting only the distinct ones).

The product of its (nonzero) digits is 1224720, while the sum is 52.

The spelling of 399761405116 in words is "three hundred ninety-nine billion, seven hundred sixty-one million, four hundred five thousand, one hundred sixteen".