2028015090 has 32 divisors (see below), whose sum is σ = 5408040960. Its totient is φ = 540803952.

The previous prime is 2028015007. The next prime is 2028015109. The reversal of 2028015090 is 905108202.

It is a super-2 number, since 2×2028015090² = 8225690410535416200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3755314 + ... + 3755853.

It is an arithmetic number, because the mean of its divisors is an integer number (169001280).

Almost surely, 2^2028015090 is an apocalyptic number.

2028015090 is an abundant number, since it is smaller than the sum of its proper divisors (3380025870).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2028015090 is a wasteful number, since it uses less digits than its factorization.

2028015090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7511183 (or 7511177 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 27.

The square root of 2028015090 is about 45033.4885390861. The cubic root of 2028015090 is about 1265.7765940776.

The spelling of 2028015090 in words is "two billion, twenty-eight million, fifteen thousand, ninety".