2994940881 has 24 divisors (see below), whose sum is σ = 4607015400. Its totient is φ = 1868299776.

The previous prime is 2994940877. The next prime is 2994940919. The reversal of 2994940881 is 1880494992.

It can be written as a sum of positive squares in 4 ways, for example, as 1585313856 + 1409627025 = 39816^2 + 37545^2 .

It is not a de Polignac number, because 2994940881 - 2² = 2994940877 is a prime.

It is a super-2 number, since 2×2994940881² = 17939341761370112322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2994940181) 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, 30106 + ... + 83043.

It is an arithmetic number, because the mean of its divisors is an integer number (191958975).

Almost surely, 2^2994940881 is an apocalyptic number.

It is an amenable number.

2994940881 is a deficient number, since it is larger than the sum of its proper divisors (1612074519).

2994940881 is a wasteful number, since it uses less digits than its factorization.

2994940881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113345 (or 113342 counting only the distinct ones).

The product of its (nonzero) digits is 1492992, while the sum is 54.

The square root of 2994940881 is about 54726.0530369220. The cubic root of 2994940881 is about 1441.4383905743.

The spelling of 2994940881 in words is "two billion, nine hundred ninety-four million, nine hundred forty thousand, eight hundred eighty-one".