2732505720440 has 32 divisors (see below), whose sum is σ = 6149618653680. Its totient is φ = 1092739037952.

The previous prime is 2732505720437. The next prime is 2732505720449. The reversal of 2732505720440 is 440275052372.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2732505720449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8058374 + ... + 8390613.

Almost surely, 2^{2732505720440} is an apocalyptic number.

2732505720440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2732505720440 is an abundant number, since it is smaller than the sum of its proper divisors (3417112933240).

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

2732505720440 is a wasteful number, since it uses less digits than its factorization.

2732505720440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16453151 (or 16453147 counting only the distinct ones).

The product of its (nonzero) digits is 470400, while the sum is 41.

The spelling of 2732505720440 in words is "two trillion, seven hundred thirty-two billion, five hundred five million, seven hundred twenty thousand, four hundred forty".