2750042538 has 48 divisors (see below), whose sum is σ = 6182696520. Its totient is φ = 882690048.

The previous prime is 2750042531. The next prime is 2750042551. The reversal of 2750042538 is 8352400572.

2750042538 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 2616015609 + 134026929 = 51147^2 + 11577^2 .

It is not an unprimeable number, because it can be changed into a prime (2750042531) 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, 43318 + ... + 85886.

Almost surely, 2^2750042538 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2750042538, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3091348260).

2750042538 is an abundant number, since it is smaller than the sum of its proper divisors (3432653982).

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

2750042538 is a wasteful number, since it uses less digits than its factorization.

2750042538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42711 (or 42708 counting only the distinct ones).

The product of its (nonzero) digits is 67200, while the sum is 36.

The square root of 2750042538 is about 52440.8479908554. The cubic root of 2750042538 is about 1401.0268891177.

The spelling of 2750042538 in words is "two billion, seven hundred fifty million, forty-two thousand, five hundred thirty-eight".