406310249690 has 64 divisors (see below), whose sum is σ = 782026721280. Its totient is φ = 151616424960.

The previous prime is 406310249647. The next prime is 406310249693. The reversal of 406310249690 is 96942013604.

It is a happy number.

It is a super-2 number, since 2×406310249690² (a number of 24 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (406310249693) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 41930366 + ... + 41940054.

It is an arithmetic number, because the mean of its divisors is an integer number (12219167520).

Almost surely, 2^406310249690 is an apocalyptic number.

406310249690 is a deficient number, since it is larger than the sum of its proper divisors (375716471590).

406310249690 is a wasteful number, since it uses less digits than its factorization.

406310249690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14207.

The product of its (nonzero) digits is 279936, while the sum is 44.

The spelling of 406310249690 in words is "four hundred six billion, three hundred ten million, two hundred forty-nine thousand, six hundred ninety".