6542372732456 has 96 divisors (see below), whose sum is σ = 13759346270880. Its totient is φ = 2913143925120.

The previous prime is 6542372732453. The next prime is 6542372732471.

6542372732456 is nontrivially palindromic in base 10.

It is not an unprimeable number, because it can be changed into a prime (6542372732453) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 32889311 + ... + 33087633.

It is an arithmetic number, because the mean of its divisors is an integer number (143326523655).

Almost surely, 2^{6542372732456} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6542372732456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6879673135440).

6542372732456 is an abundant number, since it is smaller than the sum of its proper divisors (7216973538424).

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

6542372732456 is a wasteful number, since it uses less digits than its factorization.

6542372732456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 199047 (or 199032 counting only the distinct ones).

The product of its digits is 50803200, while the sum is 56.

The spelling of 6542372732456 in words is "six trillion, five hundred forty-two billion, three hundred seventy-two million, seven hundred thirty-two thousand, four hundred fifty-six".