2445440545240 has 384 divisors, whose sum is σ = 7013860761600. Its totient is φ = 751051699200.

The previous prime is 2445440545237. The next prime is 2445440545357. The reversal of 2445440545240 is 425450445442.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 705345987 + ... + 705349453.

It is an arithmetic number, because the mean of its divisors is an integer number (18265262400).

Almost surely, 2^{2445440545240} is an apocalyptic number.

2445440545240 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 2445440545240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3506930380800).

2445440545240 is an abundant number, since it is smaller than the sum of its proper divisors (4568420216360).

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

2445440545240 is a wasteful number, since it uses less digits than its factorization.

2445440545240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3807 (or 3792 counting only the distinct ones).

The product of its (nonzero) digits is 2048000, while the sum is 43.

The spelling of 2445440545240 in words is "two trillion, four hundred forty-five billion, four hundred forty million, five hundred forty-five thousand, two hundred forty".