2721513340 has 96 divisors (see below), whose sum is σ = 7447918464. Its totient is φ = 810639360.

The previous prime is 2721513337. The next prime is 2721513359. The reversal of 2721513340 is 433151272.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a junction number, because it is equal to n+sod(n) for n = 2721513299 and 2721513308.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13041 + ... + 74920.

It is an arithmetic number, because the mean of its divisors is an integer number (77582484).

Almost surely, 2^2721513340 is an apocalyptic number.

2721513340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2721513340 is an abundant number, since it is smaller than the sum of its proper divisors (4726405124).

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

2721513340 is a wasteful number, since it uses less digits than its factorization.

2721513340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88007 (or 88005 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 28.

The square root of 2721513340 is about 52168.1257090956. The cubic root of 2721513340 is about 1396.1652438609.

The spelling of 2721513340 in words is "two billion, seven hundred twenty-one million, five hundred thirteen thousand, three hundred forty".