405851827316 has 48 divisors (see below), whose sum is σ = 774253120704. Its totient is φ = 185020402176.

The previous prime is 405851827279. The next prime is 405851827343. The reversal of 405851827316 is 613728158504.

It is a congruent number.

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, 33947996 + ... + 33959948.

It is an arithmetic number, because the mean of its divisors is an integer number (16130273348).

Almost surely, 2^405851827316 is an apocalyptic number.

It is an amenable number.

405851827316 is a deficient number, since it is larger than the sum of its proper divisors (368401293388).

405851827316 is a wasteful number, since it uses less digits than its factorization.

405851827316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19920 (or 19918 counting only the distinct ones).

The product of its (nonzero) digits is 1612800, while the sum is 50.

The spelling of 405851827316 in words is "four hundred five billion, eight hundred fifty-one million, eight hundred twenty-seven thousand, three hundred sixteen".