2720931540 has 48 divisors (see below), whose sum is σ = 7625354688. Its totient is φ = 724939264.

The previous prime is 2720931539. The next prime is 2720931541. The reversal of 2720931540 is 451390272.

It is an interprime number because it is at equal distance from previous prime (2720931539) and next prime (2720931541).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2720931541) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50284 + ... + 89276.

It is an arithmetic number, because the mean of its divisors is an integer number (158861556).

Almost surely, 2^2720931540 is an apocalyptic number.

2720931540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2720931540 is an abundant number, since it is smaller than the sum of its proper divisors (4904423148).

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

2720931540 is a wasteful number, since it uses less digits than its factorization.

2720931540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40168 (or 40166 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 33.

The square root of 2720931540 is about 52162.5492091788. The cubic root of 2720931540 is about 1396.0657469110.

The spelling of 2720931540 in words is "two billion, seven hundred twenty million, nine hundred thirty-one thousand, five hundred forty".