2450509638 has 48 divisors (see below), whose sum is σ = 5110391088. Its totient is φ = 783283200.

The previous prime is 2450509637. The next prime is 2450509709. The reversal of 2450509638 is 8369050542.

2450509638 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 2450509638.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2450509637) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 649678 + ... + 653438.

It is an arithmetic number, because the mean of its divisors is an integer number (106466481).

Almost surely, 2^2450509638 is an apocalyptic number.

2450509638 is an abundant number, since it is smaller than the sum of its proper divisors (2659881450).

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

2450509638 is a wasteful number, since it uses less digits than its factorization.

2450509638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3941 (or 3910 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 42.

The square root of 2450509638 is about 49502.6225365889. The cubic root of 2450509638 is about 1348.1932186263.

The spelling of 2450509638 in words is "two billion, four hundred fifty million, five hundred nine thousand, six hundred thirty-eight".