406329508854 has 12 divisors (see below), whose sum is σ = 880380602556. Its totient is φ = 135443169612.

The previous prime is 406329508807. The next prime is 406329508867. The reversal of 406329508854 is 458805923604.

406329508854 is a `hidden beast` number, since 4 + 0 + 63 + 29 + 508 + 8 + 54 = 666.

406329508854 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 406329508854.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 11286930784 + ... + 11286930819.

It is an arithmetic number, because the mean of its divisors is an integer number (73365050213).

Almost surely, 2^406329508854 is an apocalyptic number.

406329508854 is an abundant number, since it is smaller than the sum of its proper divisors (474051093702).

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

406329508854 is a wasteful number, since it uses less digits than its factorization.

406329508854 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22573861611 (or 22573861608 counting only the distinct ones).

The product of its (nonzero) digits is 8294400, while the sum is 54.

The spelling of 406329508854 in words is "four hundred six billion, three hundred twenty-nine million, five hundred eight thousand, eight hundred fifty-four".