2540462197 has 16 divisors (see below), whose sum is σ = 3185723520. Its totient is φ = 1972107072.

The previous prime is 2540462137. The next prime is 2540462209. The reversal of 2540462197 is 7912640452.

2540462197 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2540462197 - 2¹¹ = 2540460149 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2540462137) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 258547 + ... + 268192.

It is an arithmetic number, because the mean of its divisors is an integer number (199107720).

Almost surely, 2^2540462197 is an apocalyptic number.

It is an amenable number.

2540462197 is a deficient number, since it is larger than the sum of its proper divisors (645261323).

2540462197 is a wasteful number, since it uses less digits than its factorization.

2540462197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 526812.

The product of its (nonzero) digits is 120960, while the sum is 40.

The square root of 2540462197 is about 50402.9978969505. The cubic root of 2540462197 is about 1364.4917440270.

The spelling of 2540462197 in words is "two billion, five hundred forty million, four hundred sixty-two thousand, one hundred ninety-seven".