2481449405 has 16 divisors (see below), whose sum is σ = 3089280000. Its totient is φ = 1911444480.

The previous prime is 2481449401. The next prime is 2481449431. The reversal of 2481449405 is 5049441842.

It is a happy number.

It is not a de Polignac number, because 2481449405 - 2² = 2481449401 is a prime.

It is a super-2 number, since 2×2481449405² = 12315182299149708050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2481449401) 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, 9380 + ... + 71069.

It is an arithmetic number, because the mean of its divisors is an integer number (193080000).

Almost surely, 2^2481449405 is an apocalyptic number.

It is an amenable number.

2481449405 is a deficient number, since it is larger than the sum of its proper divisors (607830595).

2481449405 is a wasteful number, since it uses less digits than its factorization.

2481449405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80684.

The product of its (nonzero) digits is 184320, while the sum is 41.

The square root of 2481449405 is about 49814.1486427300. The cubic root of 2481449405 is about 1353.8435333495.

The spelling of 2481449405 in words is "two billion, four hundred eighty-one million, four hundred forty-nine thousand, four hundred five".