2478993012 has 60 divisors (see below), whose sum is σ = 6485282496. Its totient is φ = 825731280.

The previous prime is 2478992987. The next prime is 2478993031. The reversal of 2478993012 is 2103998742.

2478993012 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×2478993012² = 12290812707089664288, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 818533 + ... + 821555.

Almost surely, 2^2478993012 is an apocalyptic number.

It is an amenable number.

2478993012 is an abundant number, since it is smaller than the sum of its proper divisors (4006289484).

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

2478993012 is a wasteful number, since it uses less digits than its factorization.

2478993012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5570 (or 5559 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 45.

The square root of 2478993012 is about 49789.4869626109. The cubic root of 2478993012 is about 1353.3966614923.

The spelling of 2478993012 in words is "two billion, four hundred seventy-eight million, nine hundred ninety-three thousand, twelve".