4030405028 has 24 divisors (see below), whose sum is σ = 7702752960. Its totient is φ = 1833985440.

The previous prime is 4030405009. The next prime is 4030405063. The reversal of 4030405028 is 8205040304.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a junction number, because it is equal to n+sod(n) for n = 4030404988 and 4030405006.

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, 542138 + ... + 549521.

It is an arithmetic number, because the mean of its divisors is an integer number (320948040).

Almost surely, 2^4030405028 is an apocalyptic number.

It is an amenable number.

4030405028 is a deficient number, since it is larger than the sum of its proper divisors (3672347932).

4030405028 is a wasteful number, since it uses less digits than its factorization.

4030405028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1091747 (or 1091745 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 26.

The square root of 4030405028 is about 63485.4709992767. The cubic root of 4030405028 is about 1591.4129849489.

The spelling of 4030405028 in words is "four billion, thirty million, four hundred five thousand, twenty-eight".