2993379840 has 640 divisors, whose sum is σ = 12067799040. Its totient is φ = 696729600.

The previous prime is 2993379821. The next prime is 2993379841. The reversal of 2993379840 is 489733992.

It is a tau number, because it is divible by the number of its divisors (640).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (2993379841) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 23569857 + ... + 23569983.

It is an arithmetic number, because the mean of its divisors is an integer number (18855936).

Almost surely, 2^2993379840 is an apocalyptic number.

2993379840 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 2993379840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6033899520).

2993379840 is an abundant number, since it is smaller than the sum of its proper divisors (9074419200).

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

2993379840 is a wasteful number, since it uses less digits than its factorization.

2993379840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201 (or 179 counting only the distinct ones).

The product of its (nonzero) digits is 2939328, while the sum is 54.

The square root of 2993379840 is about 54711.7888576128. The cubic root of 2993379840 is about 1441.1879086701.

The spelling of 2993379840 in words is "two billion, nine hundred ninety-three million, three hundred seventy-nine thousand, eight hundred forty".