2445015040 has 96 divisors (see below), whose sum is σ = 6318224640. Its totient is φ = 902725632.

The previous prime is 2445015029. The next prime is 2445015073. The reversal of 2445015040 is 405105442.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 2445014996 and 2445015014.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 123937 + ... + 142303.

It is an arithmetic number, because the mean of its divisors is an integer number (65814840).

Almost surely, 2^2445015040 is an apocalyptic number.

2445015040 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 2445015040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3159112320).

2445015040 is an abundant number, since it is smaller than the sum of its proper divisors (3873209600).

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

2445015040 is a wasteful number, since it uses less digits than its factorization.

2445015040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18407 (or 18387 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 25.

The square root of 2445015040 is about 49447.0933422785. The cubic root of 2445015040 is about 1347.1848129740.

The spelling of 2445015040 in words is "two billion, four hundred forty-five million, fifteen thousand, forty".