2939352520 has 96 divisors (see below), whose sum is σ = 7321746600. Its totient is φ = 1055711232.

The previous prime is 2939352503. The next prime is 2939352523. The reversal of 2939352520 is 252539392.

It can be written as a sum of positive squares in 12 ways, for example, as 959636484 + 1979716036 = 30978^2 + 44494^2 .

It is a Harshad number since it is a multiple of its sum of digits (40).

It is not an unprimeable number, because it can be changed into a prime (2939352523) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 709816 + ... + 713944.

Almost surely, 2^2939352520 is an apocalyptic number.

2939352520 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 2939352520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3660873300).

2939352520 is an abundant number, since it is smaller than the sum of its proper divisors (4382394080).

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

2939352520 is a wasteful number, since it uses less digits than its factorization.

2939352520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4227 (or 4186 counting only the distinct ones).

The product of its (nonzero) digits is 145800, while the sum is 40.

The square root of 2939352520 is about 54215.7958532382. The cubic root of 2939352520 is about 1432.4645780475.

The spelling of 2939352520 in words is "two billion, nine hundred thirty-nine million, three hundred fifty-two thousand, five hundred twenty".