2519649048 has 64 divisors (see below), whose sum is σ = 7219560960. Its totient is φ = 717843456.

The previous prime is 2519649043. The next prime is 2519649091. The reversal of 2519649048 is 8409469152.

It is a hoax number, since the sum of its digits (48) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 2519648988 and 2519649006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2519649043) 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, 38061 + ... + 80547.

It is an arithmetic number, because the mean of its divisors is an integer number (112805640).

Almost surely, 2^2519649048 is an apocalyptic number.

2519649048 is a gapful number since it is divisible by the number (28) 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 2519649048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3609780480).

2519649048 is an abundant number, since it is smaller than the sum of its proper divisors (4699911912).

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

2519649048 is a wasteful number, since it uses less digits than its factorization.

2519649048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42856 (or 42852 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 48.

The square root of 2519649048 is about 50196.1059047413. The cubic root of 2519649048 is about 1360.7552480426.

The spelling of 2519649048 in words is "two billion, five hundred nineteen million, six hundred forty-nine thousand, forty-eight".