2540380734 has 24 divisors (see below), whose sum is σ = 5511345840. Its totient is φ = 845687808.

The previous prime is 2540380727. The next prime is 2540380741. The reversal of 2540380734 is 4370830452.

It is a happy number.

2540380734 is a `hidden beast` number, since 2 + 540 + 3 + 80 + 7 + 34 = 666.

It is an interprime number because it is at equal distance from previous prime (2540380727) and next prime (2540380741).

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, 77922 + ... + 105605.

It is an arithmetic number, because the mean of its divisors is an integer number (229639410).

Almost surely, 2^2540380734 is an apocalyptic number.

2540380734 is an abundant number, since it is smaller than the sum of its proper divisors (2970965106).

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

2540380734 is a wasteful number, since it uses less digits than its factorization.

2540380734 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 184304 (or 184301 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 36.

The square root of 2540380734 is about 50402.1897738580. The cubic root of 2540380734 is about 1364.4771591771.

The spelling of 2540380734 in words is "two billion, five hundred forty million, three hundred eighty thousand, seven hundred thirty-four".