2949142240 has 96 divisors (see below), whose sum is σ = 7862974560. Its totient is φ = 1035417600.

The previous prime is 2949142237. The next prime is 2949142253. The reversal of 2949142240 is 422419492.

2949142240 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 2949142240.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22150 + ... + 79930.

It is an arithmetic number, because the mean of its divisors is an integer number (81905985).

Almost surely, 2^2949142240 is an apocalyptic number.

2949142240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2949142240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3931487280).

2949142240 is an abundant number, since it is smaller than the sum of its proper divisors (4913832320).

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

2949142240 is a wasteful number, since it uses less digits than its factorization.

2949142240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57836 (or 57828 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 37.

The square root of 2949142240 is about 54306.0055610795. The cubic root of 2949142240 is about 1434.0531237229.

The spelling of 2949142240 in words is "two billion, nine hundred forty-nine million, one hundred forty-two thousand, two hundred forty".