2981007040 has 56 divisors (see below), whose sum is σ = 7743852432. Its totient is φ = 1084001280.

The previous prime is 2981007019. The next prime is 2981007041. The reversal of 2981007040 is 407001892.

It is a junction number, because it is equal to n+sod(n) for n = 2981006993 and 2981007011.

It is not an unprimeable number, because it can be changed into a prime (2981007041) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 419919 + ... + 426958.

Almost surely, 2^2981007040 is an apocalyptic number.

2981007040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2981007040 is an abundant number, since it is smaller than the sum of its proper divisors (4762845392).

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

2981007040 is a wasteful number, since it uses less digits than its factorization.

2981007040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 846905 (or 846895 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 31.

The square root of 2981007040 is about 54598.5992494313. The cubic root of 2981007040 is about 1439.1995036460.

The spelling of 2981007040 in words is "two billion, nine hundred eighty-one million, seven thousand, forty".