2979530240 has 40 divisors (see below), whose sum is σ = 7143895440. Its totient is φ = 1191811072.

The previous prime is 2979530231. The next prime is 2979530263. The reversal of 2979530240 is 420359792.

It is a tau number, because it is divible by the number of its divisors (40).

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, 579380 + ... + 584499.

It is an arithmetic number, because the mean of its divisors is an integer number (178597386).

Almost surely, 2^2979530240 is an apocalyptic number.

2979530240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2979530240 is an abundant number, since it is smaller than the sum of its proper divisors (4164365200).

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

2979530240 is an equidigital number, since it uses as much as digits as its factorization.

2979530240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1163902 (or 1163886 counting only the distinct ones).

The product of its (nonzero) digits is 136080, while the sum is 41.

The square root of 2979530240 is about 54585.0734175562. The cubic root of 2979530240 is about 1438.9618031113.

The spelling of 2979530240 in words is "two billion, nine hundred seventy-nine million, five hundred thirty thousand, two hundred forty".