2499682320 has 240 divisors, whose sum is σ = 8807864832. Its totient is φ = 634106880.

The previous prime is 2499682307. The next prime is 2499682349. The reversal of 2499682320 is 232869942.

2499682320 is a `hidden beast` number, since 249 + 9 + 6 + 82 + 320 = 666.

It is a tau number, because it is divible by the number of its divisors (240).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4487482 + ... + 4488038.

Almost surely, 2^2499682320 is an apocalyptic number.

2499682320 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 2499682320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4403932416).

2499682320 is an abundant number, since it is smaller than the sum of its proper divisors (6308182512).

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

2499682320 is a wasteful number, since it uses less digits than its factorization.

2499682320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 870 (or 861 counting only the distinct ones).

The product of its (nonzero) digits is 373248, while the sum is 45.

The square root of 2499682320 is about 49996.8230990730. The cubic root of 2499682320 is about 1357.1513181164.

The spelling of 2499682320 in words is "two billion, four hundred ninety-nine million, six hundred eighty-two thousand, three hundred twenty".