406042024 has 32 divisors (see below), whose sum is σ = 796521600. Its totient is φ = 193847680.

The previous prime is 406042009. The next prime is 406042031. The reversal of 406042024 is 420240604.

It is a junction number, because it is equal to n+sod(n) for n = 406041986 and 406042004.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2247 + ... + 28585.

It is an arithmetic number, because the mean of its divisors is an integer number (24891300).

Almost surely, 2^406042024 is an apocalyptic number.

It is an amenable number.

406042024 is a deficient number, since it is larger than the sum of its proper divisors (390479576).

406042024 is a wasteful number, since it uses less digits than its factorization.

406042024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26433 (or 26429 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 406042024 is about 20150.4844606774. The cubic root of 406042024 is about 740.4976102808.

Adding to 406042024 its reverse (420240604), we get a palindrome (826282628).

The spelling of 406042024 in words is "four hundred six million, forty-two thousand, twenty-four".