2064516540 has 24 divisors (see below), whose sum is σ = 5780646480. Its totient is φ = 550537728.

The previous prime is 2064516521. The next prime is 2064516551. The reversal of 2064516540 is 456154602.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17204245 + ... + 17204364.

It is an arithmetic number, because the mean of its divisors is an integer number (240860270).

Almost surely, 2^2064516540 is an apocalyptic number.

2064516540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2064516540 is an abundant number, since it is smaller than the sum of its proper divisors (3716129940).

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

2064516540 is a wasteful number, since it uses less digits than its factorization.

2064516540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34408621 (or 34408619 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 33.

The square root of 2064516540 is about 45436.9512621611. The cubic root of 2064516540 is about 1273.3255558735.

The spelling of 2064516540 in words is "two billion, sixty-four million, five hundred sixteen thousand, five hundred forty".