2628705132 has 18 divisors (see below), whose sum is σ = 6644782508. Its totient is φ = 876235032.

The previous prime is 2628705097. The next prime is 2628705137. The reversal of 2628705132 is 2315078262.

2628705132 is a `hidden beast` number, since 2 + 62 + 87 + 0 + 513 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 73019587 = 2628705132 / (2 + 6 + 2 + 8 + 7 + 0 + 5 + 1 + 3 + 2).

It is not an unprimeable number, because it can be changed into a prime (2628705137) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 36509758 + ... + 36509829.

Almost surely, 2^2628705132 is an apocalyptic number.

It is an amenable number.

2628705132 is an abundant number, since it is smaller than the sum of its proper divisors (4016077376).

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

2628705132 is a wasteful number, since it uses less digits than its factorization.

2628705132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73019597 (or 73019592 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 36.

The square root of 2628705132 is about 51270.8994654863. The cubic root of 2628705132 is about 1380.1108102576.

The spelling of 2628705132 in words is "two billion, six hundred twenty-eight million, seven hundred five thousand, one hundred thirty-two".