2491441942 has 16 divisors (see below), whose sum is σ = 4117274064. Its totient is φ = 1121260000.

The previous prime is 2491441933. The next prime is 2491441943.

It is a happy number.

2491441942 is nontrivially palindromic in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 2491441895 and 2491441904.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2491441943) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 558409 + ... + 562852.

It is an arithmetic number, because the mean of its divisors is an integer number (257329629).

Almost surely, 2^2491441942 is an apocalyptic number.

2491441942 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2491441942 is a deficient number, since it is larger than the sum of its proper divisors (1625832122).

2491441942 is a wasteful number, since it uses less digits than its factorization.

2491441942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1121375.

The product of its digits is 82944, while the sum is 40.

The square root of 2491441942 is about 49914.3460540154. The cubic root of 2491441942 is about 1355.6583615476.

The spelling of 2491441942 in words is "two billion, four hundred ninety-one million, four hundred forty-one thousand, nine hundred forty-two".