400863052305 has 64 divisors (see below), whose sum is σ = 717838986240. Its totient is φ = 212241254400.

The previous prime is 400863052283. The next prime is 400863052321. The reversal of 400863052305 is 503250368004.

It is a happy number.

400863052305 is a `hidden beast` number, since 40 + 0 + 8 + 6 + 305 + 2 + 305 = 666.

It is not a de Polignac number, because 400863052305 - 2¹¹ = 400863050257 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 400863052305.

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 63 ways as a sum of consecutive naturals, for example, 10260889 + ... + 10299881.

It is an arithmetic number, because the mean of its divisors is an integer number (11216234160).

Almost surely, 2^400863052305 is an apocalyptic number.

400863052305 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

400863052305 is a deficient number, since it is larger than the sum of its proper divisors (316975933935).

400863052305 is a wasteful number, since it uses less digits than its factorization.

400863052305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39559 (or 39553 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 36.

The spelling of 400863052305 in words is "four hundred billion, eight hundred sixty-three million, fifty-two thousand, three hundred five".