2100428288 has 40 divisors (see below), whose sum is σ = 4796298672. Its totient is φ = 900182016.

The previous prime is 2100428279. The next prime is 2100428329. The reversal of 2100428288 is 8828240012.

It is a super-2 number, since 2×2100428288² = 8823597986061221888, which contains 22 as substring.

It is a congruent number.

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, 289445 + ... + 296612.

Almost surely, 2^2100428288 is an apocalyptic number.

2100428288 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

2100428288 is an abundant number, since it is smaller than the sum of its proper divisors (2695870384).

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

2100428288 is an frugal number, since it uses more digits than its factorization.

2100428288 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 586082 (or 586066 counting only the distinct ones).

The product of its (nonzero) digits is 16384, while the sum is 35.

The square root of 2100428288 is about 45830.4297165104. The cubic root of 2100428288 is about 1280.6662156872. Note that the first 3 decimals are identical.

The spelling of 2100428288 in words is "two billion, one hundred million, four hundred twenty-eight thousand, two hundred eighty-eight".