2982996640 has 48 divisors (see below), whose sum is σ = 7589437128. Its totient is φ = 1101413376.

The previous prime is 2982996623. The next prime is 2982996673. The reversal of 2982996640 is 466992892.

It can be written as a sum of positive squares in 4 ways, for example, as 1906894224 + 1076102416 = 43668^2 + 32804^2 .

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, 714987 + ... + 719146.

Almost surely, 2^2982996640 is an apocalyptic number.

2982996640 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2982996640 is an abundant number, since it is smaller than the sum of its proper divisors (4606440488).

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

2982996640 is a wasteful number, since it uses less digits than its factorization.

2982996640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1434161 (or 1434153 counting only the distinct ones).

The product of its (nonzero) digits is 3359232, while the sum is 55.

The square root of 2982996640 is about 54616.8164579372. The cubic root of 2982996640 is about 1439.5196185700.

The spelling of 2982996640 in words is "two billion, nine hundred eighty-two million, nine hundred ninety-six thousand, six hundred forty".