2979857448 has 24 divisors (see below), whose sum is σ = 8070447450. Its totient is φ = 993285792.

The previous prime is 2979857401. The next prime is 2979857471. The reversal of 2979857448 is 8447589792.

It can be written as a sum of positive squares in only one way, i.e., 1969761924 + 1010095524 = 44382^2 + 31782^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 20693383 + ... + 20693526.

Almost surely, 2^2979857448 is an apocalyptic number.

It is an amenable number.

2979857448 is an abundant number, since it is smaller than the sum of its proper divisors (5090590002).

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

2979857448 is a wasteful number, since it uses less digits than its factorization.

2979857448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41386921 (or 41386914 counting only the distinct ones).

The product of its digits is 40642560, while the sum is 63.

The square root of 2979857448 is about 54588.0705649137. The cubic root of 2979857448 is about 1439.0144761326.

The spelling of 2979857448 in words is "two billion, nine hundred seventy-nine million, eight hundred fifty-seven thousand, four hundred forty-eight".