400511025433042 has 8 divisors (see below), whose sum is σ = 600766696906236. Its totient is φ = 200255459797632.

The previous prime is 400511025433021. The next prime is 400511025433063. The reversal of 400511025433042 is 240334520115004.

It is an interprime number because it is at equal distance from previous prime (400511025433021) and next prime (400511025433063).

It can be written as a sum of positive squares in 2 ways, for example, as 381658070117041 + 18852955316001 = 19536071^2 + 4341999^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 400511025432989 and 400511025433007.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16203963 + ... + 32612734.

Almost surely, 2^{400511025433042} is an apocalyptic number.

400511025433042 is a deficient number, since it is larger than the sum of its proper divisors (200255671473194).

400511025433042 is a wasteful number, since it uses less digits than its factorization.

400511025433042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52918892.

The product of its (nonzero) digits is 57600, while the sum is 34.

Adding to 400511025433042 its reverse (240334520115004), we get a palindrome (640845545548046).

The spelling of 400511025433042 in words is "four hundred trillion, five hundred eleven billion, twenty-five million, four hundred thirty-three thousand, forty-two".