2498804640 has 480 divisors, whose sum is σ = 9405196416. Its totient is φ = 623462400.

The previous prime is 2498804603. The next prime is 2498804641. The reversal of 2498804640 is 464088942.

2498804640 is a `hidden beast` number, since 2 + 498 + 80 + 46 + 40 = 666.

It is a tau number, because it is divible by the number of its divisors (480).

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2498804641) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 24740590 + ... + 24740690.

Almost surely, 2^2498804640 is an apocalyptic number.

2498804640 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 2498804640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4702598208).

2498804640 is an abundant number, since it is smaller than the sum of its proper divisors (6906391776).

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

2498804640 is a wasteful number, since it uses less digits than its factorization.

2498804640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 234 (or 217 counting only the distinct ones).

The product of its (nonzero) digits is 442368, while the sum is 45.

The square root of 2498804640 is about 49988.0449707728. The cubic root of 2498804640 is about 1356.9924600624.

The spelling of 2498804640 in words is "two billion, four hundred ninety-eight million, eight hundred four thousand, six hundred forty".