406082681826 has 16 divisors (see below), whose sum is σ = 859939797024. Its totient is φ = 127398488384.

The previous prime is 406082681801. The next prime is 406082681887. The reversal of 406082681826 is 628186280604.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1990601280 + ... + 1990601483.

It is an arithmetic number, because the mean of its divisors is an integer number (53746237314).

Almost surely, 2^406082681826 is an apocalyptic number.

406082681826 is an abundant number, since it is smaller than the sum of its proper divisors (453857115198).

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

406082681826 is a wasteful number, since it uses less digits than its factorization.

406082681826 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3981202785.

The product of its (nonzero) digits is 1769472, while the sum is 51.

The spelling of 406082681826 in words is "four hundred six billion, eighty-two million, six hundred eighty-one thousand, eight hundred twenty-six".