2625442428 has 48 divisors (see below), whose sum is σ = 7009712640. Its totient is φ = 749212224.

The previous prime is 2625442427. The next prime is 2625442441. The reversal of 2625442428 is 8242445262.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2625442423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 51850 + ... + 89102.

It is an arithmetic number, because the mean of its divisors is an integer number (146035680).

Almost surely, 2^2625442428 is an apocalyptic number.

2625442428 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

2625442428 is an abundant number, since it is smaller than the sum of its proper divisors (4384270212).

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

2625442428 is a wasteful number, since it uses less digits than its factorization.

2625442428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38106 (or 38104 counting only the distinct ones).

The product of its digits is 245760, while the sum is 39.

The square root of 2625442428 is about 51239.0713030593. The cubic root of 2625442428 is about 1379.5395838563.

The spelling of 2625442428 in words is "two billion, six hundred twenty-five million, four hundred forty-two thousand, four hundred twenty-eight".