400430600605 has 64 divisors (see below), whose sum is σ = 584203415040. Its totient is φ = 257615576064.

The previous prime is 400430600569. The next prime is 400430600617. The reversal of 400430600605 is 506006034004.

It is a de Polignac number, because none of the positive numbers 2^k-400430600605 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 31051539 + ... + 31064431.

It is an arithmetic number, because the mean of its divisors is an integer number (9128178360).

Almost surely, 2^400430600605 is an apocalyptic number.

It is an amenable number.

400430600605 is a deficient number, since it is larger than the sum of its proper divisors (183772814435).

400430600605 is a wasteful number, since it uses less digits than its factorization.

400430600605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13798.

The product of its (nonzero) digits is 8640, while the sum is 28.

Adding to 400430600605 its reverse (506006034004), we get a palindrome (906436634609).

The spelling of 400430600605 in words is "four hundred billion, four hundred thirty million, six hundred thousand, six hundred five".