4002405124 has 12 divisors (see below), whose sum is σ = 7092870400. Its totient is φ = 1975870728.

The previous prime is 4002405109. The next prime is 4002405151. The reversal of 4002405124 is 4215042004.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 4002405095 and 4002405104.

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, 6332604 + ... + 6333235.

Almost surely, 2^4002405124 is an apocalyptic number.

It is an amenable number.

4002405124 is a deficient number, since it is larger than the sum of its proper divisors (3090465276).

4002405124 is a wasteful number, since it uses less digits than its factorization.

4002405124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12665922 (or 12665920 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 22.

The square root of 4002405124 is about 63264.5645207489. The cubic root of 4002405124 is about 1587.7191462527.

Adding to 4002405124 its reverse (4215042004), we get a palindrome (8217447128).

The spelling of 4002405124 in words is "four billion, two million, four hundred five thousand, one hundred twenty-four".