2501738628 has 24 divisors (see below), whose sum is σ = 5867957760. Its totient is φ = 829546080.

The previous prime is 2501738623. The next prime is 2501738651. The reversal of 2501738628 is 8268371052.

It is a self number, because there is not a number n which added to its sum of digits gives 2501738628.

It is not an unprimeable number, because it can be changed into a prime (2501738623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 543463 + ... + 548046.

It is an arithmetic number, because the mean of its divisors is an integer number (244498240).

Almost surely, 2^2501738628 is an apocalyptic number.

It is an amenable number.

2501738628 is an abundant number, since it is smaller than the sum of its proper divisors (3366219132).

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

2501738628 is a wasteful number, since it uses less digits than its factorization.

2501738628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1091707 (or 1091705 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 42.

The square root of 2501738628 is about 50017.3832582233. The cubic root of 2501738628 is about 1357.5233595552.

The spelling of 2501738628 in words is "two billion, five hundred one million, seven hundred thirty-eight thousand, six hundred twenty-eight".