2540946772 has 36 divisors (see below), whose sum is σ = 5502889056. Its totient is φ = 1005207840.

The previous prime is 2540946739. The next prime is 2540946787. The reversal of 2540946772 is 2776490452.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 263754 + ... + 273217.

Almost surely, 2^2540946772 is an apocalyptic number.

It is an amenable number.

2540946772 is an abundant number, since it is smaller than the sum of its proper divisors (2961942284).

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

2540946772 is a wasteful number, since it uses less digits than its factorization.

2540946772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 537008 (or 536993 counting only the distinct ones).

The product of its (nonzero) digits is 846720, while the sum is 46.

The square root of 2540946772 is about 50407.8046734829. The cubic root of 2540946772 is about 1364.5784941929.

The spelling of 2540946772 in words is "two billion, five hundred forty million, nine hundred forty-six thousand, seven hundred seventy-two".