2538474740 has 24 divisors (see below), whose sum is σ = 5418189672. Its totient is φ = 998743680.

The previous prime is 2538474733. The next prime is 2538474749. The reversal of 2538474740 is 474748352.

2538474740 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 1136356 + 2537338384 = 1066^2 + 50372^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2538474691 and 2538474700.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2538474749) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1039139 + ... + 1041578.

It is an arithmetic number, because the mean of its divisors is an integer number (225757903).

Almost surely, 2^2538474740 is an apocalyptic number.

2538474740 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2538474740 is an abundant number, since it is smaller than the sum of its proper divisors (2879714932).

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

2538474740 is a wasteful number, since it uses less digits than its factorization.

2538474740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2080787 (or 2080785 counting only the distinct ones).

The product of its (nonzero) digits is 752640, while the sum is 44.

The square root of 2538474740 is about 50383.2783768583. The cubic root of 2538474740 is about 1364.1358276688.

The spelling of 2538474740 in words is "two billion, five hundred thirty-eight million, four hundred seventy-four thousand, seven hundred forty".