2478054280 has 144 divisors (see below), whose sum is σ = 6277555620. Its totient is φ = 875155968.

The previous prime is 2478054269. The next prime is 2478054361. The reversal of 2478054280 is 824508742.

It can be written as a sum of positive squares in 6 ways, for example, as 1695957124 + 782097156 = 41182^2 + 27966^2 .

It is a super-2 number, since 2×2478054280² = 12281506029252636800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 42000891 + ... + 42000949.

Almost surely, 2^2478054280 is an apocalyptic number.

2478054280 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2478054280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3138777810).

2478054280 is an abundant number, since it is smaller than the sum of its proper divisors (3799501340).

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

2478054280 is a wasteful number, since it uses less digits than its factorization.

2478054280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 216 (or 116 counting only the distinct ones).

The product of its (nonzero) digits is 143360, while the sum is 40.

The square root of 2478054280 is about 49780.0590598284. The cubic root of 2478054280 is about 1353.2258075544.

The spelling of 2478054280 in words is "two billion, four hundred seventy-eight million, fifty-four thousand, two hundred eighty".