2745990224544 has 384 divisors, whose sum is σ = 8943506030592. Its totient is φ = 720514206720.

The previous prime is 2745990224543. The next prime is 2745990224573. The reversal of 2745990224544 is 4454220995472.

It is not an unprimeable number, because it can be changed into a prime (2745990224543) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 60827709 + ... + 60872835.

It is an arithmetic number, because the mean of its divisors is an integer number (23290380288).

Almost surely, 2^{2745990224544} is an apocalyptic number.

2745990224544 is a gapful number since it is divisible by the number (24) 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 2745990224544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4471753015296).

2745990224544 is an abundant number, since it is smaller than the sum of its proper divisors (6197515806048).

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

2745990224544 is a wasteful number, since it uses less digits than its factorization.

2745990224544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45328 (or 45320 counting only the distinct ones).

The product of its (nonzero) digits is 29030400, while the sum is 57.

The spelling of 2745990224544 in words is "two trillion, seven hundred forty-five billion, nine hundred ninety million, two hundred twenty-four thousand, five hundred forty-four".