2921105448 has 96 divisors (see below), whose sum is σ = 8596473600. Its totient is φ = 892684800.

The previous prime is 2921105443. The next prime is 2921105449. The reversal of 2921105448 is 8445011292.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (2921105443) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7968 + ... + 76848.

It is an arithmetic number, because the mean of its divisors is an integer number (89546600).

Almost surely, 2^2921105448 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2921105448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4298236800).

2921105448 is an abundant number, since it is smaller than the sum of its proper divisors (5675368152).

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

2921105448 is a wasteful number, since it uses less digits than its factorization.

2921105448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68943 (or 68936 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 36.

The square root of 2921105448 is about 54047.2519930477. The cubic root of 2921105448 is about 1429.4942459782.

The spelling of 2921105448 in words is "two billion, nine hundred twenty-one million, one hundred five thousand, four hundred forty-eight".