400387914163 has 16 divisors (see below), whose sum is σ = 427570133760. Its totient is φ = 374022611424.

The previous prime is 400387914133. The next prime is 400387914193. The reversal of 400387914163 is 361419783004.

It is an interprime number because it is at equal distance from previous prime (400387914133) and next prime (400387914193).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-400387914163 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (400387914133) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8683173 + ... + 8729161.

It is an arithmetic number, because the mean of its divisors is an integer number (26723133360).

Almost surely, 2^400387914163 is an apocalyptic number.

400387914163 is a gapful number since it is divisible by the number (43) formed by its first and last digit.

400387914163 is a deficient number, since it is larger than the sum of its proper divisors (27182219597).

400387914163 is a wasteful number, since it uses less digits than its factorization.

400387914163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54858.

The product of its (nonzero) digits is 435456, while the sum is 46.

The spelling of 400387914163 in words is "four hundred billion, three hundred eighty-seven million, nine hundred fourteen thousand, one hundred sixty-three".