2942415840 has 768 divisors, whose sum is σ = 12290310144. Its totient is φ = 575078400.

The previous prime is 2942415797. The next prime is 2942415841. The reversal of 2942415840 is 485142492.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2942415841) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 55517254 + ... + 55517306.

It is an arithmetic number, because the mean of its divisors is an integer number (16003008).

Almost surely, 2^2942415840 is an apocalyptic number.

2942415840 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 2942415840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6145155072).

2942415840 is an abundant number, since it is smaller than the sum of its proper divisors (9347894304).

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

2942415840 is a wasteful number, since it uses less digits than its factorization.

2942415840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163 (or 155 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 39.

The square root of 2942415840 is about 54244.0396725760. The cubic root of 2942415840 is about 1432.9620315802.

The spelling of 2942415840 in words is "two billion, nine hundred forty-two million, four hundred fifteen thousand, eight hundred forty".