2988319640 has 16 divisors (see below), whose sum is σ = 6723719280. Its totient is φ = 1195327840.

The previous prime is 2988319637. The next prime is 2988319651. The reversal of 2988319640 is 469138892.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37353956 + ... + 37354035.

It is an arithmetic number, because the mean of its divisors is an integer number (420232455).

Almost surely, 2^2988319640 is an apocalyptic number.

2988319640 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2988319640 is an abundant number, since it is smaller than the sum of its proper divisors (3735399640).

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

2988319640 is a wasteful number, since it uses less digits than its factorization.

2988319640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74708002 (or 74707998 counting only the distinct ones).

The product of its (nonzero) digits is 746496, while the sum is 50.

The square root of 2988319640 is about 54665.5251506834. The cubic root of 2988319640 is about 1440.3753586813.

The spelling of 2988319640 in words is "two billion, nine hundred eighty-eight million, three hundred nineteen thousand, six hundred forty".