2740156878 has 16 divisors (see below), whose sum is σ = 5628430800. Its totient is φ = 888699456.

The previous prime is 2740156789. The next prime is 2740156879. The reversal of 2740156878 is 8786510472.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2740156879) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6171303 + ... + 6171746.

It is an arithmetic number, because the mean of its divisors is an integer number (351776925).

Almost surely, 2^2740156878 is an apocalyptic number.

2740156878 is an abundant number, since it is smaller than the sum of its proper divisors (2888273922).

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

2740156878 is a wasteful number, since it uses less digits than its factorization.

2740156878 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12343091.

The product of its (nonzero) digits is 752640, while the sum is 48.

The square root of 2740156878 is about 52346.5077918289. The cubic root of 2740156878 is about 1399.3461024550.

The spelling of 2740156878 in words is "two billion, seven hundred forty million, one hundred fifty-six thousand, eight hundred seventy-eight".