2921394448 has 40 divisors (see below), whose sum is σ = 6478781760. Its totient is φ = 1250094720.

The previous prime is 2921394407. The next prime is 2921394467. The reversal of 2921394448 is 8444931292.

It is a junction number, because it is equal to n+sod(n) for n = 2921394398 and 2921394407.

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, 54018 + ... + 93598.

It is an arithmetic number, because the mean of its divisors is an integer number (161969544).

Almost surely, 2^2921394448 is an apocalyptic number.

2921394448 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

2921394448 is an abundant number, since it is smaller than the sum of its proper divisors (3557387312).

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

2921394448 is a wasteful number, since it uses less digits than its factorization.

2921394448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40255 (or 40249 counting only the distinct ones).

The product of its digits is 497664, while the sum is 46.

The square root of 2921394448 is about 54049.9255133622. The cubic root of 2921394448 is about 1429.5413868319.

The spelling of 2921394448 in words is "two billion, nine hundred twenty-one million, three hundred ninety-four thousand, four hundred forty-eight".