405686476012 has 24 divisors (see below), whose sum is σ = 734545899360. Its totient is φ = 195818380800.

The previous prime is 405686476007. The next prime is 405686476037. The reversal of 405686476012 is 210674686504.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 492988 + ... + 1026844.

It is an arithmetic number, because the mean of its divisors is an integer number (30606079140).

Almost surely, 2^405686476012 is an apocalyptic number.

It is an amenable number.

405686476012 is a deficient number, since it is larger than the sum of its proper divisors (328859423348).

405686476012 is a wasteful number, since it uses less digits than its factorization.

405686476012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 540441 (or 540439 counting only the distinct ones).

The product of its (nonzero) digits is 1935360, while the sum is 49.

The spelling of 405686476012 in words is "four hundred five billion, six hundred eighty-six million, four hundred seventy-six thousand, twelve".