2757840542 has 8 divisors (see below), whose sum is σ = 4137102000. Its totient is φ = 1378806544.

The previous prime is 2757840539. The next prime is 2757840559. The reversal of 2757840542 is 2450487572.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 2757840493 and 2757840502.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22367 + ... + 77562.

It is an arithmetic number, because the mean of its divisors is an integer number (517137750).

Almost surely, 2^2757840542 is an apocalyptic number.

2757840542 is a deficient number, since it is larger than the sum of its proper divisors (1379261458).

2757840542 is a wasteful number, since it uses less digits than its factorization.

2757840542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113730.

The product of its (nonzero) digits is 627200, while the sum is 44.

The square root of 2757840542 is about 52515.1458343210. The cubic root of 2757840542 is about 1402.3498872025.

The spelling of 2757840542 in words is "two billion, seven hundred fifty-seven million, eight hundred forty thousand, five hundred forty-two".