405982477962 has 96 divisors (see below), whose sum is σ = 907149964032. Its totient is φ = 131162758272.

The previous prime is 405982477951. The next prime is 405982478009. The reversal of 405982477962 is 269774289504.

It is a self number, because there is not a number n which added to its sum of digits gives 405982477962.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 37457208 + ... + 37468044.

It is an arithmetic number, because the mean of its divisors is an integer number (9449478792).

Almost surely, 2^405982477962 is an apocalyptic number.

405982477962 is an abundant number, since it is smaller than the sum of its proper divisors (501167486070).

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

405982477962 is a wasteful number, since it uses less digits than its factorization.

405982477962 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11372 (or 11369 counting only the distinct ones).

The product of its (nonzero) digits is 60963840, while the sum is 63.

The spelling of 405982477962 in words is "four hundred five billion, nine hundred eighty-two million, four hundred seventy-seven thousand, nine hundred sixty-two".