2942949240 has 512 divisors, whose sum is σ = 12530073600. Its totient is φ = 596574720.

The previous prime is 2942949239. The next prime is 2942949241. The reversal of 2942949240 is 429492492.

It is an interprime number because it is at equal distance from previous prime (2942949239) and next prime (2942949241).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2942949241) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 3575469 + ... + 3576291.

It is an arithmetic number, because the mean of its divisors is an integer number (24472800).

Almost surely, 2^2942949240 is an apocalyptic number.

2942949240 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 2942949240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6265036800).

2942949240 is an abundant number, since it is smaller than the sum of its proper divisors (9587124360).

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

2942949240 is a wasteful number, since it uses less digits than its factorization.

2942949240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 904 (or 894 counting only the distinct ones).

The product of its (nonzero) digits is 373248, while the sum is 45.

The square root of 2942949240 is about 54248.9561189891. The cubic root of 2942949240 is about 1433.0486152818.

The spelling of 2942949240 in words is "two billion, nine hundred forty-two million, nine hundred forty-nine thousand, two hundred forty".