2481544438 has 16 divisors (see below), whose sum is σ = 3921059520. Its totient is φ = 1174619016.

The previous prime is 2481544423. The next prime is 2481544487. The reversal of 2481544438 is 8344451842.

It is a junction number, because it is equal to n+sod(n) for n = 2481544394 and 2481544403.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31345 + ... + 77107.

It is an arithmetic number, because the mean of its divisors is an integer number (245066220).

Almost surely, 2^2481544438 is an apocalyptic number.

2481544438 is a deficient number, since it is larger than the sum of its proper divisors (1439515082).

2481544438 is a wasteful number, since it uses less digits than its factorization.

2481544438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47211.

The product of its digits is 491520, while the sum is 43.

The square root of 2481544438 is about 49815.1025091789. The cubic root of 2481544438 is about 1353.8608160137.

The spelling of 2481544438 in words is "two billion, four hundred eighty-one million, five hundred forty-four thousand, four hundred thirty-eight".