6540157272032 has 96 divisors (see below), whose sum is σ = 13106923974144. Its totient is φ = 3211958131200.

The previous prime is 6540157272031. The next prime is 6540157272053. The reversal of 6540157272032 is 2302727510456.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6540157272031) 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, 1626498182 + ... + 1626502202.

It is an arithmetic number, because the mean of its divisors is an integer number (136530458064).

Almost surely, 2^{6540157272032} is an apocalyptic number.

It is an amenable number.

6540157272032 is an abundant number, since it is smaller than the sum of its proper divisors (6566766702112).

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

6540157272032 is a wasteful number, since it uses less digits than its factorization.

6540157272032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8032 (or 8024 counting only the distinct ones).

The product of its (nonzero) digits is 705600, while the sum is 44.

The spelling of 6540157272032 in words is "six trillion, five hundred forty billion, one hundred fifty-seven million, two hundred seventy-two thousand, thirty-two".