2516241240 has 128 divisors (see below), whose sum is σ = 8614296000. Its totient is φ = 652852224.

The previous prime is 2516241229. The next prime is 2516241241. The reversal of 2516241240 is 421426152.

2516241240 is a `hidden beast` number, since 2 + 516 + 24 + 124 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2516241241) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8476 + ... + 71444.

Almost surely, 2^2516241240 is an apocalyptic number.

2516241240 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 2516241240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4307148000).

2516241240 is an abundant number, since it is smaller than the sum of its proper divisors (6098054760).

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

2516241240 is a wasteful number, since it uses less digits than its factorization.

2516241240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63026 (or 63016 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

The square root of 2516241240 is about 50162.1494754760. The cubic root of 2516241240 is about 1360.1415005597.

Adding to 2516241240 its reverse (421426152), we get a palindrome (2937667392).

The spelling of 2516241240 in words is "two billion, five hundred sixteen million, two hundred forty-one thousand, two hundred forty".