2028402116 has 12 divisors (see below), whose sum is σ = 3822757932. Its totient is φ = 936185568.

The previous prime is 2028402109. The next prime is 2028402121. The reversal of 2028402116 is 6112048202.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 472888516 + 1555513600 = 21746^2 + 39440^2 .

It is a super-2 number, since 2×2028402116² = 8228830288386554912, which contains 22 as substring.

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

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, 19503815 + ... + 19503918.

It is an arithmetic number, because the mean of its divisors is an integer number (318563161).

Almost surely, 2^2028402116 is an apocalyptic number.

2028402116 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

2028402116 is a deficient number, since it is larger than the sum of its proper divisors (1794355816).

2028402116 is a wasteful number, since it uses less digits than its factorization.

2028402116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39007750 (or 39007748 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 26.

The square root of 2028402116 is about 45037.7854251294. The cubic root of 2028402116 is about 1265.8571091412.

The spelling of 2028402116 in words is "two billion, twenty-eight million, four hundred two thousand, one hundred sixteen".