2542942546 has 32 divisors (see below), whose sum is σ = 4010005440. Its totient is φ = 1207824576.

The previous prime is 2542942541. The next prime is 2542942547. The reversal of 2542942546 is 6452492452.

It is not an unprimeable number, because it can be changed into a prime (2542942541) 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, 1332525 + ... + 1334431.

It is an arithmetic number, because the mean of its divisors is an integer number (125312670).

Almost surely, 2^2542942546 is an apocalyptic number.

2542942546 is a deficient number, since it is larger than the sum of its proper divisors (1467062894).

2542942546 is a wasteful number, since it uses less digits than its factorization.

2542942546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2298.

The product of its digits is 691200, while the sum is 43.

The square root of 2542942546 is about 50427.5970674788. The cubic root of 2542942546 is about 1364.9356678255.

The spelling of 2542942546 in words is "two billion, five hundred forty-two million, nine hundred forty-two thousand, five hundred forty-six".