2478149044 has 24 divisors (see below), whose sum is σ = 4957449728. Its totient is φ = 1061817120.

The previous prime is 2478149027. The next prime is 2478149137. The reversal of 2478149044 is 4409418742.

It is a happy number.

It is a super-2 number, since 2×2478149044² = 12282445368556227872, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 164509 + ... + 178939.

Almost surely, 2^2478149044 is an apocalyptic number.

It is an amenable number.

2478149044 is an abundant number, since it is smaller than the sum of its proper divisors (2479300684).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2478149044 is a wasteful number, since it uses less digits than its factorization.

2478149044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20575 (or 20573 counting only the distinct ones).

The product of its (nonzero) digits is 258048, while the sum is 43.

The square root of 2478149044 is about 49781.0108776429. The cubic root of 2478149044 is about 1353.2430570361.

The spelling of 2478149044 in words is "two billion, four hundred seventy-eight million, one hundred forty-nine thousand, forty-four".