2028465520 has 40 divisors (see below), whose sum is σ = 4761989856. Its totient is φ = 803505408.

The previous prime is 2028465493. The next prime is 2028465533. The reversal of 2028465520 is 255648202.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×2028465520² = 8229344731657740800, which contains 22 as substring.

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 114847 + ... + 131326.

Almost surely, 2^2028465520 is an apocalyptic number.

2028465520 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2028465520 is an abundant number, since it is smaller than the sum of its proper divisors (2733524336).

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

2028465520 is a wasteful number, since it uses less digits than its factorization.

2028465520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 246289 (or 246283 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 34.

The square root of 2028465520 is about 45038.4893174716. The cubic root of 2028465520 is about 1265.8702984339.

The spelling of 2028465520 in words is "two billion, twenty-eight million, four hundred sixty-five thousand, five hundred twenty".