2440502640 has 240 divisors, whose sum is σ = 8403691296. Its totient is φ = 634521600.

The previous prime is 2440502611. The next prime is 2440502663. The reversal of 2440502640 is 462050442.

2440502640 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

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, 7949367 + ... + 7949673.

Almost surely, 2^2440502640 is an apocalyptic number.

2440502640 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 2440502640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4201845648).

2440502640 is an abundant number, since it is smaller than the sum of its proper divisors (5963188656).

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

2440502640 is a wasteful number, since it uses less digits than its factorization.

2440502640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 568 (or 559 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 27.

The square root of 2440502640 is about 49401.4437036004. The cubic root of 2440502640 is about 1346.3555365055.

The spelling of 2440502640 in words is "two billion, four hundred forty million, five hundred two thousand, six hundred forty".