2940105840 has 480 divisors, whose sum is σ = 11312758080. Its totient is φ = 628604928.

The previous prime is 2940105827. The next prime is 2940105841. The reversal of 2940105840 is 485010492.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2940105841) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 12618364 + ... + 12618596.

It is an arithmetic number, because the mean of its divisors is an integer number (23568246).

Almost surely, 2^2940105840 is an apocalyptic number.

2940105840 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 2940105840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5656379040).

2940105840 is an abundant number, since it is smaller than the sum of its proper divisors (8372652240).

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

2940105840 is a wasteful number, since it uses less digits than its factorization.

2940105840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 329 (or 316 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 33.

The square root of 2940105840 is about 54222.7428299233. The cubic root of 2940105840 is about 1432.5869419621.

It can be divided in two parts, 2940 and 105840, that multiplied together give a square (311169600 = 17640²).

The spelling of 2940105840 in words is "two billion, nine hundred forty million, one hundred five thousand, eight hundred forty".