2445515520 has 432 divisors, whose sum is σ = 9336485088. Its totient is φ = 543621120.

The previous prime is 2445515483. The next prime is 2445515557. The reversal of 2445515520 is 255155442.

It is an interprime number because it is at equal distance from previous prime (2445515483) and next prime (2445515557).

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

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, 7714402 + ... + 7714718.

It is an arithmetic number, because the mean of its divisors is an integer number (21612234).

Almost surely, 2^2445515520 is an apocalyptic number.

2445515520 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 2445515520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4668242544).

2445515520 is an abundant number, since it is smaller than the sum of its proper divisors (6890969568).

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

2445515520 is a wasteful number, since it uses less digits than its factorization.

2445515520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 396 (or 375 counting only the distinct ones).

The product of its (nonzero) digits is 40000, while the sum is 33.

The square root of 2445515520 is about 49452.1538459145. The cubic root of 2445515520 is about 1347.2767269357.

The spelling of 2445515520 in words is "two billion, four hundred forty-five million, five hundred fifteen thousand, five hundred twenty".