400200666427 has 8 divisors (see below), whose sum is σ = 415418250240. Its totient is φ = 385127325480.

The previous prime is 400200666409. The next prime is 400200666457. The reversal of 400200666427 is 724666002004.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 400200666427 - 2¹⁵ = 400200633659 is a prime.

It is a super-2 number, since 2×400200666427² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (400200666457) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36055063 + ... + 36066160.

It is an arithmetic number, because the mean of its divisors is an integer number (51927281280).

Almost surely, 2^400200666427 is an apocalyptic number.

400200666427 is a deficient number, since it is larger than the sum of its proper divisors (15217583813).

400200666427 is a wasteful number, since it uses less digits than its factorization.

400200666427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72121433.

The product of its (nonzero) digits is 96768, while the sum is 37.

The spelling of 400200666427 in words is "four hundred billion, two hundred million, six hundred sixty-six thousand, four hundred twenty-seven".