2540772890 has 32 divisors (see below), whose sum is σ = 4636446480. Its totient is φ = 1002355200.

The previous prime is 2540772889. The next prime is 2540772907. The reversal of 2540772890 is 982770452.

2540772890 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 8 ways, for example, as 62425801 + 2478347089 = 7901^2 + 49783^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 371300 + ... + 378080.

Almost surely, 2^2540772890 is an apocalyptic number.

2540772890 is a deficient number, since it is larger than the sum of its proper divisors (2095673590).

2540772890 is a wasteful number, since it uses less digits than its factorization.

2540772890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7298.

The product of its (nonzero) digits is 282240, while the sum is 44.

The square root of 2540772890 is about 50406.0798912195. The cubic root of 2540772890 is about 1364.5473665502.

The spelling of 2540772890 in words is "two billion, five hundred forty million, seven hundred seventy-two thousand, eight hundred ninety".