2930768640 has 108 divisors (see below), whose sum is σ = 10140194064. Its totient is φ = 781535232.

The previous prime is 2930768609. The next prime is 2930768653. The reversal of 2930768640 is 468670392.

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

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 115684 + ... + 138723.

Almost surely, 2^2930768640 is an apocalyptic number.

2930768640 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2930768640 is an abundant number, since it is smaller than the sum of its proper divisors (7209425424).

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

2930768640 is a wasteful number, since it uses less digits than its factorization.

2930768640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 254434 (or 254417 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 45.

The square root of 2930768640 is about 54136.5739588312. The cubic root of 2930768640 is about 1431.0687952487.

The spelling of 2930768640 in words is "two billion, nine hundred thirty million, seven hundred sixty-eight thousand, six hundred forty".