2126528280 has 48 divisors (see below), whose sum is σ = 6911218080. Its totient is φ = 567074112.

The previous prime is 2126528251. The next prime is 2126528291. The reversal of 2126528280 is 828256212.

2126528280 is a `hidden beast` number, since 2 + 126 + 528 + 2 + 8 + 0 = 666.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2953152 + ... + 2953871.

It is an arithmetic number, because the mean of its divisors is an integer number (143983710).

Almost surely, 2^2126528280 is an apocalyptic number.

2126528280 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2126528280 is an abundant number, since it is smaller than the sum of its proper divisors (4784689800).

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

2126528280 is a wasteful number, since it uses less digits than its factorization.

2126528280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5907040 (or 5907033 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 36.

The square root of 2126528280 is about 46114.2958311194. The cubic root of 2126528280 is about 1285.9489283921.

The spelling of 2126528280 in words is "two billion, one hundred twenty-six million, five hundred twenty-eight thousand, two hundred eighty".