406814470840 has 16 divisors (see below), whose sum is σ = 915332559480. Its totient is φ = 162725788320.

The previous prime is 406814470837. The next prime is 406814470859. The reversal of 406814470840 is 48074418604.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5085180846 + ... + 5085180925.

Almost surely, 2^406814470840 is an apocalyptic number.

406814470840 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

406814470840 is an abundant number, since it is smaller than the sum of its proper divisors (508518088640).

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

406814470840 is a wasteful number, since it uses less digits than its factorization.

406814470840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10170361782 (or 10170361778 counting only the distinct ones).

The product of its (nonzero) digits is 688128, while the sum is 46.

The spelling of 406814470840 in words is "four hundred six billion, eight hundred fourteen million, four hundred seventy thousand, eight hundred forty".