2949177540 has 48 divisors (see below), whose sum is σ = 8397668160. Its totient is φ = 773116800.

The previous prime is 2949177523. The next prime is 2949177547. The reversal of 2949177540 is 457719492.

It is a self number, because there is not a number n which added to its sum of digits gives 2949177540.

It is not an unprimeable number, because it can be changed into a prime (2949177547) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 413011 + ... + 420090.

It is an arithmetic number, because the mean of its divisors is an integer number (174951420).

Almost surely, 2^2949177540 is an apocalyptic number.

2949177540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2949177540 is an abundant number, since it is smaller than the sum of its proper divisors (5448490620).

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

2949177540 is a wasteful number, since it uses less digits than its factorization.

2949177540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 833172 (or 833170 counting only the distinct ones).

The product of its (nonzero) digits is 635040, while the sum is 48.

The square root of 2949177540 is about 54306.3305702015. The cubic root of 2949177540 is about 1434.0588453723.

The spelling of 2949177540 in words is "two billion, nine hundred forty-nine million, one hundred seventy-seven thousand, five hundred forty".