2520099840 has 176 divisors, whose sum is σ = 8112015360. Its totient is φ = 667729920.

The previous prime is 2520099779. The next prime is 2520099851. The reversal of 2520099840 is 489900252.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2933331 + ... + 2934189.

Almost surely, 2^2520099840 is an apocalyptic number.

2520099840 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 2520099840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4056007680).

2520099840 is an abundant number, since it is smaller than the sum of its proper divisors (5591915520).

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

2520099840 is a wasteful number, since it uses less digits than its factorization.

2520099840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1078 (or 1060 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 39.

The square root of 2520099840 is about 50200.5960123981. The cubic root of 2520099840 is about 1360.8363943966.

The spelling of 2520099840 in words is "two billion, five hundred twenty million, ninety-nine thousand, eight hundred forty".