2478997548 has 54 divisors (see below), whose sum is σ = 6502513836. Its totient is φ = 825815088.

The previous prime is 2478997541. The next prime is 2478997561. The reversal of 2478997548 is 8457998742.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

2478997548 is a `hidden beast` number, since 2 + 4 + 7 + 89 + 9 + 7 + 548 = 666.

It is a tau number, because it is divible by the number of its divisors (54).

It is a super-2 number, since 2×2478997548² = 12290857685980024608, which contains 22 as substring.

It is a Smith number, since the sum of its digits (63) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (2478997541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 1551486 + ... + 1553082.

Almost surely, 2^2478997548 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2478997548, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3251256918).

2478997548 is an abundant number, since it is smaller than the sum of its proper divisors (4023516288).

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

2478997548 is an frugal number, since it uses more digits than its factorization.

2478997548 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3213 (or 1602 counting only the distinct ones).

The product of its digits is 40642560, while the sum is 63.

The square root of 2478997548 is about 49789.5325143749. The cubic root of 2478997548 is about 1353.3974869623.

The spelling of 2478997548 in words is "two billion, four hundred seventy-eight million, nine hundred ninety-seven thousand, five hundred forty-eight".