406841989826 has 16 divisors (see below), whose sum is σ = 612578116800. Its totient is φ = 202649399568.

The previous prime is 406841989819. The next prime is 406841989831. The reversal of 406841989826 is 628989148604.

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, 11001395 + ... + 11038313.

It is an arithmetic number, because the mean of its divisors is an integer number (38286132300).

Almost surely, 2^406841989826 is an apocalyptic number.

406841989826 is a deficient number, since it is larger than the sum of its proper divisors (205736126974).

406841989826 is a wasteful number, since it uses less digits than its factorization.

406841989826 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57673.

The product of its (nonzero) digits is 47775744, while the sum is 65.

The spelling of 406841989826 in words is "four hundred six billion, eight hundred forty-one million, nine hundred eighty-nine thousand, eight hundred twenty-six".