2540177933 has 4 divisors (see below), whose sum is σ = 2594224320. Its totient is φ = 2486131548.

The previous prime is 2540177923. The next prime is 2540177957. The reversal of 2540177933 is 3397710452.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2540177933 - 2¹⁰ = 2540176909 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2540177923) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27023123 + ... + 27023216.

It is an arithmetic number, because the mean of its divisors is an integer number (648556080).

Almost surely, 2^2540177933 is an apocalyptic number.

It is an amenable number.

2540177933 is a deficient number, since it is larger than the sum of its proper divisors (54046387).

2540177933 is an equidigital number, since it uses as much as digits as its factorization.

2540177933 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54046386.

The product of its (nonzero) digits is 158760, while the sum is 41.

The square root of 2540177933 is about 50400.1779064320. The cubic root of 2540177933 is about 1364.4408490429.

The spelling of 2540177933 in words is "two billion, five hundred forty million, one hundred seventy-seven thousand, nine hundred thirty-three".