2555949394 has 32 divisors (see below), whose sum is σ = 4072550400. Its totient is φ = 1201085760.

The previous prime is 2555949353. The next prime is 2555949419. The reversal of 2555949394 is 4939495552.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 518212 + ... + 523120.

It is an arithmetic number, because the mean of its divisors is an integer number (127267200).

Almost surely, 2^2555949394 is an apocalyptic number.

2555949394 is a deficient number, since it is larger than the sum of its proper divisors (1516601006).

2555949394 is a wasteful number, since it uses less digits than its factorization.

2555949394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5178.

The product of its digits is 8748000, while the sum is 55.

The square root of 2555949394 is about 50556.3981509759. The cubic root of 2555949394 is about 1367.2588724242.

The spelling of 2555949394 in words is "two billion, five hundred fifty-five million, nine hundred forty-nine thousand, three hundred ninety-four".